1. How long have you(know)knownMrs. Chi?       

 GT: HOW LONG LÀ THÌ HIỆN TẠI HOÀN THÀNH 

have +S+p2 +...

~ I (know) have known her for five years.

GT: thì hiện tại hoàn thành bởi có for

s+have +p2

2.has Your dog ever (bite) bitten anyone?
~ Yes, He (bite) bit..a policeman last week.
3. We (not/ see)haven't seen her since we (be) were on holiday in Ha Long Bay.
4. Phuong Linh (not/ finish) hasn't finished her homework yet.
5. Would you like some coffee? I have just (make) made.some.
6. Has She (feed) felt the cat yet?
~ Yes, she (feed) felt it half an hour ago.

 . How long …have…………you ( know)……known……………. Mrs Chi ? - I (know) …have known……….. her for five years .

 . Have Your dog ever (bite) …biten……….. anyone? - Yes , he (bite) …bite…….. a policemen last week .

. We (not see)…haven't seen………… her since we (be) …were…on holiday in Ha Long Bay.

. Would you like some coffee ? I (just make) …have just made………………… some.

. .Has She (feed) …fed……………. the cat yet ? - Yes , She (feed) …fed………….. it haft an hour ago.