Life 2 - Unit 10

A person who uses the scientific method to examine and explore the world around them

• a student

• a teacher

• a pilot

• a scientist

A period of 100 years

• a decade

• a century

• a moment

• an hour

To see, get knowledge of, learn of, or find out

• look

• forget

• remember

• discover

To produce, such as a device.

• invent

• damage

• find

• discover

Having lately come into existence.

• permanent

• excellent

• recent

• exact

Incapable by nature of being seen

• inaccurate

• informal

• incredible

• invisible

This tense is used to talk about actions happened and finished in the past.

• Present Simple

• Present Progressive

• Past Simple

• Present Perfect

This tense is used to talk about actions happened in the past and has its influence in the present (without knowing the exact time) OR to talk about experiences.

• Present Simple

• Present Progressive

• Past Simple

• Present Perfect

We add (verb +ed) to all past simple verbs.

• Correct

• Incorrect

Positive sentences of Present Perfect includes:

• have / has + past participle

• verb (be) + ing