Unit 12: For and since // When ...? and How long...? Flashcards Preview

English Grammar in use > Unit 12: For and since // When ...? and How long...? > Flashcards

Flashcards in Unit 12: For and since // When ...? and How long...? Deck (6)
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1
Q

For what do we use « for » ?

A

to say how long something has been happening

exemple:

Ive been waiting for two hours

2
Q

For what do we use « since »?

A

For what do we use « since »?

start of a period

exemple:

I’ve been waiting since 8 o’clock

3
Q

Is it possible to leave out « for » ?

A

Is it possible to leave out « for » ?

yes it is possible to leave out « for »

but not in negative sentences

exemple:

They’ve been married (for) ten years.

Tehy haven’t had a holiday for ten years

4
Q

What can we use in negative sentences to replace « for » ?

A

What can we use in negative sentences to replace « for » ?

« in »

exemple:

They haven’t had a holiday in ten years.

5
Q

What time does apply to the verbs after we use « when »?

A

What time does apply to the verbs after we use « when »?

past simple

exemple:

When did it start raining

6
Q

What time does we apply for the verbs after we use how long?

A

What time does we apply for the verbs after we use how long?

present perfect

exemple:

How long has it been raining?

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