Time Expressions
We haven't done our homework ______.
We haven't done our homework yet.
They ____ _______ (travel) to China.
They have traveled to China
He ... (ride) his new bike all day.
He has been riding his new bike all day.
It's terrible. Mary ... (have) an accident.
It's terrible. Mary has had an accident.
Have you _____ visited Paris?
Have you ever visited Paris?
How long ... you ... (be) her friend?
How long have you been her friend?
She ... (work) since 7 o'clock.
She has been working since 7 o'clock.
You ... (play) computer games since 4 o'clock.
You've been playing computer games since 4 o'clock.
I've had this car ... 3 days.
I've had this car for 3 days.
He ... just ... (eat) the last piece of cake.
He has just eaten the last piece of cake.
How long ... you ... (study) English?
How long have you been studying English?
You are so dirty! What ... you ... (do)?
You are so dirty! What have you been doing?
Why is it wet here? Has it ... rained?
Why is it wet here? Has it just rained?
I ... (not see) him since last Christmas.
I haven't seen him since last Christmas.
She ... (travel) for 3 months.
She has been travelling for 3 months.
She ... (write) 2 excellent books.
She has written 2 excellent books.
I've learnt English ... I was 7 years old.
I've learnt English since I was 7 years old.
... Mike ... (fly) a kite before?
Has Mike flown a kite before?
How long ... they ... (wait) for you?
How long have they been waiting for you?
My eyes hurt. I ... (work) on the computer all day.
My eyes hurt. I've been working on the computer all day.