PREFIXES (mis-; re-; pre-; dis-; un-)

un + lock

What is the meaning of your new word?

mis + place

What is the meaning of your new word?

pre + school

What is the meaning of your new word?

Add a prefix to these words.

Mary is very ___________________happy today. (not)

• re-

• mis-

• un-

• pre-

Add a prefix to these words.

Did you _________________place your book again?

• dis-

• mis-

• re-

• un-

Add a prefix to these words.

Dad was ________________lucky in his game of checkers.

• mis-

• un-

• pre-

• re-

What do these sentences mean? Is a) or b) the nearest meaning?

We need to reappoint for that job as soon as possible.

• a) We need to appoint again for that job as soon as possible

• b) We do not need to appoint for that job as soon as possible.

What do these sentences mean? Is a) or b) the nearest meaning?

I’m worried that he will disappear before he has paid.

• a) I’m worried that he will appear again before he has paid.

• b) I’m worried that he will not appear again before he has paid.

Do you understand about prefixes?

• Yes, I understand it. It's very easy.

• I understand it but I need time to memorize the prefixes.

• I understand it a little bit.

• I am still confused about prefixes.

Do you think learning about prefixes is useful? Why?