present perfect tense

They are married. - How long have they been married ? they have been married for 20 years.
Diana is in the hospital - Diana has been in the hospital since tuesday. - We have known each other for a long time.
How long have you known Jane? (không nói “have you been knowing”) 
I have had a pain in my stomach since I got up this morning. 
I have not seen Peter since morning. - Tiffany has not phoned me for a weeks.
have you ever travelled a lot Jackson ? - Have you ever been Janpan , Tommy ?
I have drunk 4 coca cola today . - Have you had a holiday this year yet ?
it is the first time , he has driven a car

I am looking for a key, I can not find it, so I have lost my key. (lose -lost - lost)
they are married - how long have they been married - they have been married for 5 years.
ANNA is in the hospital - she has been in the hospital since monday .
We know each other very well - We have known each other for a long time !
I HAVE NOT SEEN TOM SINCE TUESDAY
Mary has not phoned me for 2 weeks !
have you ever travelled around the world.
have you ever been Italy ?
I have met a lot of people in the last few days 
he has not had any problem so far
I have done a lot of work today.

I did a lot of work yesterday.

have you seen David this morning ?

did you see Tiffany yesterday morning ?

                                   PAST PERFECT  had + V(participal)

When she arrived the station, the train had gone 

Kim did not go to the market, because she had gone before.

the boy  sitting next to me on the plane  was very nervous, he had not flown before.

when we went out. The sun was shining. But it had been raining, so the ground was wet.

Ann was sitting in an armchair watching television. She was tired because she’d been working very hard.