Present Perfect or Simple Past?
Future Perfect or Future?
Past Perfect or Simple Past?
Participles
100
I ______________(go) to China 3 times in my life.
have gone
100
By the time you get home, I _____________ (eat) dinner. Please don't bring anything for me to eat.
will have eaten
100

When he (wake up) , his mother (already / prepare) breakfast.

woke up/had prepared
100
give, made, see
given, made, seen
200
We _______________(graduate) from high school last year.
graduated
200
I can't wait! I _____________ (attend) the university next fall.
will attend/will be attending
200

Jane (already / type) ten pages when her computer (crash) .

had already typed/crashed
200
show, fly, complain
shown, flown, complained
300
I _____________(not, be) in school for 3 weeks.
haven't been
300
Don't rush to pick me up! I _____________(not finish) my work by 5:00 when you arrive.
will not have finished
300

Before that day we (never / think) of going to Japan.

had never thought
300
foresee, starve, speak
forseen, starved, spoken
400
When the teacher came to class, we _____________ (text)  our friends.
were texting
400
Do you think they _____________(invent) flying cars by the time I'm 60 years old?
will have invented
400

They (not / know) where to meet because nobody (tell) them.

did not know/had told
400
begin, forgive, drink
began, forgiven, drunk
500
Can you hurry up? I _______________ (wait) for you for 35 minutes already!
have been waiting
500
I don't care if I pass this class. I ___________(not, go) to the university after I finish the IEP.
won't be going/won't go 
500

It (be) cloudy for days before it finally (begin) to rain.

had been/began
500
arise, disprove, lend
arisen, disproven, lent
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