Jawaban:

1. zulham has not studied English in London since 1995

has zulham studied English in London since 1995?

2. zulfin has gone to america

has zulfin gone to america?

3. zulfikar and zulkarnain have not finished their job for two hours

have zulfikar and zulkarnain finished their job for two hours?

4. they have lived at Kairo since 2018

they have not lived at Kairo since 2018

5. you have joined the english online learning since a week ago

have you joined the english online learning since a week ago?

6. Ahmad's family have not been here since October 2021

have Ahmad's family here since October 2021?

7. my grandparents have stayed in the hotel since three days ago

have my grandparents stayed in the hotel since three days ago?

8. amiruddin has bought a new car since he lived here

amiruddin has not bought a new car since he lived here

9. we have climbed a semeru mountain for a week

we have not climbed a semeru mountain for a week

10. zulaihah has not made a birthday cake since 2010

has zulaihah made a birthday cake since 2010?