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She has lived in Los Angeles for ten years when she moved to San Diego.
Incorrect
He has done his homework yesterday.
Incorrect
I know you have always tried to be helpful.
Correct
When everyone had finished, the teacher leaves the class.
Incorrect
She got a job last week.
Correct
You have worked very hard lately.
Correct
At the end of the 19th. century, Thomas Jefferson has become president.
Incorrect
We experienced a lot problems lately.
Incorrect
Sarah has finally graduated in October.
Incorrect
The teacher realized he had made a huge mistake.
Correct
