The Chinese (invented/have invented) paper.
invented (simple past)
This is the third piece of cake that you (ate/have eaten) today.
have eaten (present perfect--from past until present)
She (died/has died) four months ago.
died
(simple past--completed action)
My notebook isn’t here anymore. Someone (took/has taken) it.
has taken
(present perfect--recent past action)
The car industry (suffered/has suffered) huge losses since the factory workers began their strike.
has suffered
(present perfect--from past until present)
They (finished/had finished) eating dinner by the time I got home.
had finished (past perfect--past event completed before a second past event)
When they (arrived/have arrived) at the party, Sue (already went/had already gone) home.
arrived
had already gone
(past perfect--past event completed before a second past event)
When he (slammed/had slammed) the door, the picture (fell/has fallen) off the wall.
slammed
fell
(simple past--past actions connected to each other)
She said she (paid/had paid) the bill a week before.
had paid
(past perfect--reported speech of completed past action)
How long (were you/have you been) a doctor?
have you been
(present perfect--from past until present)
At last, I ___ my project. Now I can take a break.
a. completed
b. had completed
c. have completed
d. was completed
c. have completed (present perfect--recent completed action)
When I ___ shut off my computer, it crashed.
a. tried to
b. had tried to
c. have tried to
d. try to
a. tried to
(simple past--past actions connected to each other)
How many times ___ to this CD today?
a. were you listening
b. had you listened
c. have you listened
d. do you listen
c. have you listened
present perfect--from past until present
She said that her husband ___ fishing the previous night.
a. had go
b. has gone
c. would go
d. had gone
d. had gone
(past perfect--reported speech of completed past actions)
When I ___ dinner, I sat down to watch TV.
a. ate
b. had eaten
c. have eaten
d. was eating
b. had eaten
(past perfect--unconnected past actions)
When I (open) the window, the cat jumped in.
opened (simple past--past actions connected to each other)
He can’t drive us today because he (lost) his car keys.
has lost (present perfect--recent past action)
When I (finish) washing the dishes, I did some vacuuming.
had finished
(past perfect--unconnected past actions)
The police found that the criminal (leave) his house at least two hours before the robbery took place.
had left
(past perfect--past event completed before a second past event)
At last I (finish) all the homework exercises.
have finished
(present perfect--recent completed action)
He is said to catch the train for Chicago at seven yesterday morning, but nobody knows of his wherebouts now.
catch → have caught (past perfect--completed past action)
I studied English for the past five years, but I still have difficulty speaking and writing.
studied → have studied (present perfect--from past until present)
He had given me the report but I haven’t looked at it at all yet.
had given → gave
When I was in high school, I had often wished to be taller.
had often wished → often wished
(simple past--completed action)
He has wished to remarry, but ended up not doing so, probably because of his daughter’s objections.
has wished → had wished
(past perfect--unrealized past hope)