John is a writer and he ...... (write) many books.
John is a writer and he has written many books.
When ...... (you, get) home yesterday?
When did you get home yesterday?
...... (you, see, ever) a whale?
Have you ever seen a whale?
I ...... (not see) John this morning. (Said at 10:30 am)
I haven't seen John this morning.
I ...... (not, go) to the library yesterday.
I didn't go to the library yesterday.
He ...... (go) to the shop. (He is not here now.)
He's gone to the shop.
He ...... (go) to the shop last night.
He went to the shop last night.
She ...... (be) to Sydney twice this year.
She's been to Sydney twice this year.
I ...... (play) soccer on Sunday afternoon.
I played soccer on Sunday afternoon.
...... (you, see) Kate? (= Where is she now?)
Have you seen Kate?
I ...... (lost) key. I can't find it.
I've lost my key. I can't find it.
A: Where's Karen? ...... (you, see) her?
B: Yes, she ...... (go) out a few minutes ago.
A: Where's Karen? Have you seen her?
B: Yes, she went out a few minutes ago.
Sam works in a factory. He ...... (work) there for six months. Before that, he ...... (work) as a waiter in a restaurant.
Sam works in a factory. He has worked there for six months. Before that, he worked as a waiter in a restaurant.
Kate travels a lot. She ...... (visit) many countries.
Kate travels a lot. She has visited many countries.
A: ...... (you start) your new job?
B: Yes, I ...... (start) last week?
A: Have you started your new job?
B: Yes, I started last week?
