[tutoring] root words and affixes

Prefix and Suffix

unhelpful

unhelpful

unhelp

help

由一个词根可以衍生出许多个单词

equ (平等)+？？？？

由一个词根可以衍生出许多个单词

equ+al(.....的)=平等的
equ+able(性质状态)=稳定的，不变的
equ+ate(表动词)=？
equ+ation(表名词)=？

由一个词根可以衍生出许多个单词

equ+al(.....的)=equal
equ+able(性质状态)=equable
equ+ate(表动词)=equate 使平等
equ+ation(表名词)=equation 等式

Multiple Choice

port = to carry

If you have a portable stove, what does that tell you about the stove?

• it is able to be easily carried or moved

• it easily warms up

Multiple Choice

struct = to build

The men were doing construction on the side of the road.

• building or fixing part of the road

• breaking the road apart

Multiple Choice

com = together

If you have a companion to work with on a project, you have a ...

• a panda friend

• a person to work with

Multiple Choice

mand = to order

If you have a mandatory homework assignment...

• you have a man helping you with your homework

• you have been ordered to do the homework; you must do it

Multiple Choice

trans = to move across

The mail carrier will transfer the package from the post office to the house.

• She will steal the package.

• She will take the package from one place to another.

英文中的常用词根大概有200多个

unhelpful

• root 词根：决定单词的意思

• prefix 前缀：改变单词的词义

• suffix 后缀：决定单词的词性

repayment

re means again and meant means action

Repayment is the act of paying back

Multiple Choice

"bi" means:

• liking both things

• two

• one

• male

Multiple Choice

"chrom" or "chrome" means:

• color

• birth

• chromosome

• over

Multiple Choice

the word "bichrome" probably means:

• having one color

• having two colors

• having no colors

• having a split personality

Prefix Examples

• out means "beyond or outside"

• re means "again or back"

• en means to cause

• dis- means "not".

• mid- means "middle"

Multiple Choice

Choose the word that matches the definition.

to achieve better results than somebody/something

• outsmart

• outplay

• outperform

Multiple Choice

Choose the word that matches the definition.

to grow too big to be able to wear or fit into something.

• outlive

• out

• outgrow

Multiple Choice

Choose the word that matches the definition.

to live longer than somebody.

to continue to exist after something else has ended or disappeared.

• outlive

• outplay

• outweigh

Multiple Choice

Choose the word that matches the definition.

to be greater in number than somebody/something

• outperform

• outnumber

• outlive

Multiple Choice

What does dislike mean?

• like a lot

• not like

• like a little

Multiple Select

Add a Prefix

( )able

• re

• un

• dis

Multiple Select

Add a Prefix

( )please

• re

• un

• dis

Multiple Select

Add a Prefix

( )agree

• re

• un

• dis

Multiple Choice

The prefix re means

• not

• again

• over

• funny

Multiple Choice

to pay again

• repay

• retain

• replay

• remake

Multiple Choice

to keep back

• repay

• retain

• replay

• remake

Multiple Choice

We watched a ________ of the wedding video.

• repay

• retain

• replay

• remake

Multiple Choice

Each night I _ my computer so I'm ready for school the next day!

• redo

• repay

• rewrite

• recharge

More Prefix Examples

• mis means _______ (p139)

• sub means _______ (p159)

• pre means _______

• un means _____

Multiple Select

Treat somebody badly.

• Misunderstanding

• Mistreat

Multiple Select

Make an error in counting.

• Miscalculate

• Mispronounced

Multiple Select

Pronounce a word incorrectly.

• Misplaced

• Mispronounced

Multiple Select

Make a wrong opinion or conclusion

• Misplaced

• Misjudged

Multiple Choice

What is the meaning of the prefix 'sub-'?

• a) Above

• b) Below

• c) Around

• d) Without

Multiple Choice

Choose the correct meaning of the word 'submarine'.

• a) A vehicle that travels above the water

• b) A vehicle that travels below the water

• c) A vehicle that travels on land

• d) A vehicle that travels in space

Open Ended

True or False: The word 'subway' means an underground passage for pedestrians.

More Prefix Examples

• ex means _______ (p180)

• extra means more or added to what is normal

• anti means opposed to or against a particular thing or person

• non means _____ (p137)

• im & in means _____ (p154)

Multiple Choice

What does the prefix ex mean?

• Old
• Outside of
• Empty

Multiple Choice

What does the prefix ex- mean?

• against, opposite of

• down, off, away from

• out, away, out of, or outside

• put into, cover with

Multiple Choice

After a long swim underwater, I __________________ to release my breath.

• exit

• exhale

• exclude

• expand

• expire

Multiple Choice

What does the prefix extra mean?

• To work against
• On top of
• Outside of

Multiple Choice

Prefix Extra - means

• now or present

• outside or beyond

• not

• former or used to be

Multiple Choice

It was an ________ sight as there was a sighting of a halo around the rainbow in the sky!

• extravagant

• extraordinary

• extra-terrestrial

• extra-marital

Multiple Choice

Avril is involved with badminton which is her ____________________activity after school.

• extra-curricula

• extrovert

• curricular

• extracurricular

Multiple Choice

What does the prefix anti mean?

• to work against
• to be angry
• to show ants

Multiple Choice

To work against freezing.

• Antitheft
• Antisocial
• Antismoking.
• Anthifreeze

Multiple Choice

The prefix non means

• between
• before
• not, the reverse of 
• wrong, bad

Multiple Choice

The people use _____ signs to communicate.

• nontoxic

• nonverbal

• nonfiction

• nonfat

Multiple Choice

Mahatma Ghandi was famous for his peaceful, _________ conflict management style.

• Nonaggressive
• Nonnegotiable
• Nonsense
• Nonfiction

Multiple Choice

not poisonous

• nonaggressive

• nonpoisonous

• nonverbal

• nonrenewable

Multiple Choice

What does the prefixes im- and in- mean?

• cause to, make happen

• over

• before

• in or into

Multiple Choice

Don't talk with food in your mouth! That is very_______!

• immobile

• impolite

• illegible

• incorrect

Multiple Choice

Nelly doesn't like to do any sport. She prefers watching videos online. She is the most ............. person I've seen.

• impolite

• impatient

• inactive

• indirect

Multiple Choice

What does the prefix 'fore-' signify?

• before; front of

• in

• across

• between; among

More Prefix Examples

• over means _______ (p147)

• intro means _______ (p159)

• pro means _______ (p160)

• fore means _____ (p163)

• inter means ____ (p164)

• super means_____ (167)

Multiple Choice

What does the prefix "over" means?

• Not enough

• Too much

• Not fast enough

• Too quick

Multiple Choice

Ms. Wilcox's cat is _______ because she gives it too much snacks.

• overweight

• overjoyed

• overslept

• overconfident

Multiple Choice

What does the word "overconfident" mean?

• No confidence

• Too much confidence

• Very little confidence

• A little bit of confidence

Multiple Choice

What does the word "overjoy" mean?

• Very sad

• No joy

• Too much joy

• A little bit of joy

Multiple Choice

The prefix Pro- means all of the following EXCEPT:

• for

• against

• in favor of

• positive

• forward

Multiple Choice

He had a good ____ for college if he kept playing basketball in high school.

• proceed

• protest

• prospect

• prolong

Multiple Choice

She will ____ the testing of products on animals by not buying those items.

• promotion

• protest

• projectile

• proceed

Multiple Choice

The prefix fore means

• between

• before

• under

• after

Multiple Choice

When a fortune teller looks into her crystal ball, she believes she can __________ what is going to happen in the future.

• forefathers

• forefront

• foretell

• foreman

Multiple Choice

What is the meaning of inter-?

• too much

• in between

• state of

Multiple Choice

Try not to let your feelings _____________ too much when you are making an important decision.

• interfere

• interchange

• interconnected

Multiple Choice

James got annoyed when his classmates kept _____________ his presentation.

• interviewing

• interconnecting

• interrupting

Multiple Choice

Many different races and religions _____________ peacefully in Singapore.

• interchange

• intermix

• intervene

Multiple Choice

If you can teleport to the future, you possess a ....

• supernumerary

• superimpose

• superpower

• foresee

more practice

Multiple Select

Add a Prefix

( ) happy

• re

• un

• dis

Multiple Select

Add a Prefix

( )draw

• re

• un

• dis

Multiple Select

Add a Prefix

( )tell

• re

• un

• dis

Multiple Select

Add a Prefix

( )equal

• re

• un

• dis

Multiple Select

Add a Prefix

( )obey

• re

• un

• dis

Multiple Choice

Mrs.Brown crossed my 2nd question's answer because it was .......

• inactive

• incorrect

• indirect

• imperfect

Multiple Choice

to move forward

• probable
• proceed
• protect
• profit

Multiple Choice

My husband and I celebrated his ____________ to a new job with better pay.

• prospect
• promotion
• proceed
• protest

Multiple Choice

The students tried to _________ the class by asking more questions.

• prolong
• protest
• provide
• promote

Multiple Choice

What is the meaning of the word 'forefather'?

• A person who comes after

• A person who comes before

• A person who comes together

• A person who comes against

Multiple Choice

Jane doesn’t like waiting. She’s so_____patient.

• un

• im

• in

• dis

Multiple Select

A failure to understand something correctly.

• misinformed

• misunderstanding

Multiple Choice

to say or state again

• repay

• rebuild

• recharge

• restate

Multiple Choice

I plan to _ my broken model airplane.

• rebuild

• recharge

• return

• refill

Multiple Choice

Sally _______ for a small pink bag from the shop.

• overjoy

• overpaid

• oversee

• overlook

Multiple Choice

Too many people are watching the soccer match. The soccer field was ________.

• overcrowded

• overthink

• overgrown

• overeat

Multiple Choice

The carrot farmer decided to try a new ____ system.

• subordinate

• subirrigation

• subdued

• subfreezing

Multiple Choice

As a friendly and outgoing person, Alex likes to _____________ with other people.

• interact

• interview

• internet

Multiple Choice

The business sells t-shirts to China, South Africa, and Canada. What type of buisness is it?

• interstate

• interjected

• international

• interfere

Multiple Choice

Which word means being above or beyond what is natural; unexplainable by natural law; abnormal?

• supernatural

• superficial

• supervise

• supernova

Multiple Choice

Which word means concerned with or comprehending only what is on the surface or obvious?

• superficial

• superman

• supervise

• supernatural

Multiple Choice

not fully aware; occurring below your level of thinking and awareness

• subdue

• subject

• subconscious

• subordinate

Multiple Choice

below the freezing point

• subcutaneous

• subfreezing

• submerge

• subirrigate

Multiple Select

Be disobedient or having a bad manner.

• misbehave

• miscalculate

Multiple Choice

refill means...

• to enter again

• to count again; tell in detail

• to fill again

• to say or state again

Multiple Select

Do something wrong.

• mistake

• mismatch

Multiple Choice

My brother’s life is quite _______organised.

• un

• in

• dis

• ir

Multiple Choice

I didn’t believe what the man said. It seemed _______credible.

• in

• un

• dis

• im

Multiple Choice

What do you think is the best way to discipline a ______ obedient child?

• in

• dis

• un

• il

Multiple Choice

Sarah was wearing a very _usual dress. It had spotty sleeves and a long, checked skirt.

• in

• dis

• im

• un

Multiple Choice

Did Sam really fail his driving test five times? That’s _ believable!

• dis

• in

• im

• un

Multiple Choice

To keep out.

• Export
• Exclude
• Exit

Multiple Choice

More than a common thing.

• Extraordinary
• Extracurricular
• Extraterrestrial

Multiple Choice

More than your basic classes

• Extraordinary
• Extracurricular
• Extraterrestrial

Multiple Choice

Her mother opened the car door and disengaged the ______ device.

• antifreeze

• antitheft

• antismoking

• anti-sport

Multiple Choice

I have to make sure I _ anything that does not meet our quality standards.

• export
• exclude
• exit

Multiple Choice

I am sorry. I am _able to come to your party next week.

• un

• dis

Multiple Choice

I have to stay in to _vise for my exam.

• pre

• re

• find the meanings and 5 examples of each prefix below.
  
  1. semi-
  2. em/en-
  3. con/com
  4. co, col, com,con, cor

​

​homework

What about Suffix?

almost the same! a suffix is a group of letter you can add to the end of a root word to change its meaning.

Example:

- the root word: Help

- the suffix: -ful

- root word + suffix: Helpful

Suffix Examples

• ful means "full of"

• ly means "characteristic of"

• ness means "state of"

• meant means "action or process of"

Open Ended

In the word uncomfortable, what is the prefix, suffix and root word?

Multiple Choice

The suffix "-ible" means...

• action or process
• state, quality, act
• able to be
• tending to or performing

Multiple Choice

The suffix "-ate" means...

• like, related to
• to make or act
• an action or process
• having the quality of

Multiple Choice

The suffix "-ation" means...

• like, related to
• to make or act
• an action or process
• having the quality of

Multiple Choice

The suffix "-y" means...

• to make or act
• state of, quality, act
• one who, that which
• in the manner of 

Multiple Choice

The suffix "-ly" means...

• to make or act
• state of, quality, act
• one who, that which
• in the manner of 

Multiple Choice

What is the meaning of -tion/-sion? 

• the action of
• intension
• less than
• dangerous

Multiple Choice

Fill in the blank: 
Everyone adored the baby. The baby was ador_____. 

• -tion
• -ible
• -able
• -ing

Multiple Choice

Which suffix means one who does this certain job? 

• -ing
• -er/-or
• -tion
• -ous

Multiple Choice

mono

monogamy, monorail

• one, single

• few

• many

• alone

Multiple Choice

She_____agrees with everything i say.

• un

• dis

Multiple Choice

anti

anti-gravity

• under

• against

• for

• with

Multiple Choice

Fill in the blank: 
Elizabeth loves to paint. She wants to be a paint__ when she grows up. 

• -ing 
• -er
• -ous
• re-

Multiple Choice

What does evenly mean?

• not even

• even in all ways

• almost even

Multiple Choice

What does trustful mean?

• full of trust

• not to trust

• trust a little

Multiple Choice

What is the suffix in the word hopeless?

• hop

• hope

• less

• hopeless

Multiple Choice

The word shameless means?

• Without shame

• full of shame

• shameless

• shame

Multiple Choice

What does suffix -ology mean?

e.g Biology, Psychology

• the study of

• the viewing of

• logic

• layer

Multiple Choice

It was really thought_____of you to bring that present. Thank you very much.

• less

• ful

Multiple Choice

Which suffix means without

• ly

• able

• less

• ful

Open Ended

What does suffix "-ish" mean?

please check on page 197.

Multiple Choice

simple, immature; related to a younger person's behavior.

• peevish

• lavish

• childish

• squeamish

Multiple Choice

silly; somewhat ridiculous; unwise

• foolish

• lavish

• peevish

• sheepish

Multiple Choice

fashionable; related to the current fashion trends; having good taste in clothing

• foolish

• stylish

• sluggish

• sheepish

Multiple Choice

How is this student currently feeling?

• sluggish

• foolish

• lavish

• stylish

Multiple Choice

How is this man acting?

• lavish

• peevish

• sluggish

• squeamish

Multiple Choice

You should make up your……………..(decide) or else you miss the morning train.

• decision

• dicided

• decider

• dicidedly

Multiple Choice

Don’t walk over the carpets in your………….(mud) boots.

• muddler

• muddily

• muddle

• muddy

Multiple Choice

Is there a good French………….(translate) of Shakespeare’s Play?

• translater

• translation

• translate from

• translate into

Multiple Choice

During the summer holidays many children enjoyed their……………(free).

• freedom

• freer

• freely

• freeze

Multiple Choice

Thailand is a…………(fame) country for rice, corn and cassava.

• fame

• famous

• famously

• family

Multiple Choice

Don’t approach the snake because it is………….(danger).

Multiple Choice

His hobby is …………….(collect) of stamps.

• collects

• collected

• collection

• collecting