Present perfect and past perfect tense.Надо изменить предложения.1.Nick (do) his homework...

Question

Present perfect and past perfect tense.Надо изменить предложения.1.Nick (do) his homework by his 7 o'clock.You ever (see) the Pyramids?This little boy never (see) crocodiles.When I(come) to the station yesterday,I (learn) that my train already ( leave)

Answer 1

1.Nick has done his homework by his 7 o'clock.2. Have you ever seen the Pyramids? 3. This little boy has never seen crocodiles. 4. When I came to the station yesterday, I had learned that my train has already left.