I am studying to become a doctor
Recently, the work has been being done by John
Why has Nancy not been taking her medicine for the last three days?
The train leaves at 10:00.
Nobody has ever climbed that mountain.
the letter is being written by Tom.
Yes, there has been a war in the United States
Joan has studied two foreign languages.
People have not traveled to Mars.
I am reading the book Tom Sawyer.
Lisa has not been practicing her English.
She loves this chocolate ice cream
Bogota is in Colombia.
Call your mother.
Has there ever been a war in the United States?
They learn.
Do children like animals?
She has been working at that company for three years.
You have been waiting here for two hours
You have seen that movie many times.
You are not swimming now.
