Present perfect-Dạng của động từ

Front

_____ you ever (be)______ to England?

Back

Have....been

Front

Jack ______(read) this book twice.

Back

has read

Front

They (live) ……………………………in Thanh Hoa City since 2001.

Back

have lived

Front

I think I (not meet) him before.

Back

haven't met

Front

………………you (do) ………………your homework yet?

Back

Have.......done

Front

I ……………………… (work) in Thanh Hoa since 1993.

Back

have worked

Front

Tom and Jack ________(leave) their house for two years.

Back

have left

Front

Linh __________ (teach) English for 10 years.

Back

has taught

Front

She ________ (eat) at Sao Bien restaurant four times.

Back

has eaten

Front

We ________(not meet) for many years.

Back

haven't met