Editing
Grammar Rules
Time Clauses
Fill in the Blank
100
I have try all of the food in the US.
I have tried...
100
True or false? We use the present perfect to describe an action that happened at an unspecified time in the past.
True
100
________ I went to her house, she had already gone to work.
Before
100
He ___________ to China three times.
has been
200
I have read this book before you introduced it to me.
I had read this book before you introduced it to me.
200
When should we use since and for with present perfect?
since - a specific time point in the past, for - a period of time
200
____________ Mark had woken up, he ate breakfast.
As soon as
200
She was late. She _______________ to set her alarm clock.
had forgotten
300
He have been to China before.
He has been to China before.
300

We use the past perfect to talk about something that happened before...

the past

300
Jake had waited at his computer ___________ Mary replied to his email.
until
300
How long _______ you ______ in Iowa City?
have you lived
400
She has never gives up.
She has never given up.
400
What part of speech comes after have/has in present and past perfect?
The past participle
400
_________ Cami met Kat, she had already learned about the research.
When
400
I ______________ in the library all day to prepare for my test.
have stayed/have studied
500
I have studied English since 10 years.
I have studied English for 10 years.
500
True or false? We use the past perfect to describe one completed action in the past.
False...we use past perfect to describe the order of two events in the past.
500
Elyse had already cooked dinner ___________ Paul arrived at home.
by the time
500
Before they _________ the test, they _____________ their phones.
took, had turned off
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