Present Perfect Tense

Nominal sentences

1.   He has been a doctor in the hospital since 2000.
      He has not been a doctor in the hospital since 2000.
      Has he been a doctor in the hospital since 2000?
2.   I have been busy in my school since this morning.
      I  have not been busy in my school since this morning.
      Have you been busy in my school since this morning?
3.   You have been good at English already.
      You have not been good at English already.
      Have you been good at English already?
4.   I have been to India before.
      I have not been to India before.
      Have i been to India before?
5.   We have been in the classroom for an hours.
      We have not been in the classroom for an hours.
      Have we been in the classroom for an hours?
6.   They have been to Lombok several times.
      They have not been to Lombok several times.
      Have they been to several times?
7.   That school has been here since last year.
      That school has not been here since last year.
      Has that school been here since last year?
8.   She has been here for 30 minutes.
      She has not been here for 30 minutes.
      Has she been here for 30 minutes?
9.   He has been sleepy.
      He has not been sleepy.
      Has he been sleepy?
10. They have been at home since five o`clock
      They have not been at home since five o`clock.
      Have they been at home since five o`clock?