1
She ____ (already, to come) from school. Now she is doing her homework.
2
I ____ (never, be) to Washington.
3
I don't think you ____ (ever, to see) Niagara Falls.
4
She ____ (to go) out.
5
Oh, how dark it is! A large black cloud ____ (to cover) the sky. I think it will start raining in a few minutes.
6
- When ____ (you, to open the window)? - I ____ (to open) it 10 minutes ago.
7
I ____ (to see) you walking along the street the other day with a heavy bag.
8
How many times ____ (you, to be) to St. Petersburg?
9
At last I ____ (to translate) this article: now I shall have a little rest.
10