put the verbs in the correct tense
"By the time I (arrive), they had finished their work.
arrived
I've seen him with his family yesterday, and I talked to him for a while.
have seen - saw
This computer game has four levels.
How many levels does this computer game have?
change to past continuous: I write a letter at 3 pm yesterday.
was writing
combine the sentences: I went to the store. I bought some milk.
I went to the store and bought some milk.
I (not/see) her for a long time.
haven't seen
nearly every person I see that day complained about the cold.
see - saw
They got to the airport by taxi.
How did they get to the airport?
change to present perfect: She stayed in the hospital for a week.
has stayed
combine the sentences: He is tired. He is still working.
Although He is tired, he is still working.
A study (suggest) that people who make the decision to change are more content than people who don't.
suggests
everyone have seen that movie several times before.
have seen - has seen
They danced till the morning.
How long did the dance?
change to present continuous: I have had lunch.
am having
combine the sentences: I didn't sleep well. I feel tired.
I didn't sleep well, so I feel tired.
I feel tired because I didn't sleep well.
We (build) two office buildings in the city centre.
are building
I haven't ever been to Korea.
haven't ever - have never
He kicked the ball high into the air.
How did he kick the ball?
Change to past simple: They have known each other for 5 years.
knew
combine the sentences (complex): we waited for the train. It was late.
we waited for the train which was late.
They (live) in this house ever since they (move) to Canada.
have lived - moved
I stoped smoking because it's not healthy.
stoped - stopped
The dog goes over to the children.
Where does the dog go?
I have visited Paris 3 times.
I visit Paris every year.
combine the sentences (complex): She has worked here for 5 years, and she always arrived early. There is a meeting
She has worked here for 5 years, and she always arrived early whenever there is a meeting