PRESENT PERFECT We (have already, already have, has already) finished training.
She (has buy, have buy, has bought) new rollerblades.
They have done their homework, (have not they, has their, has not they)?
Tom (have live, has lived, has live) in Chicago since 1998.
1 already have
2 has buy
3 have not they
4 has lived
Объяснение: