Question

1.they have learnt english for four years.

=> english __________________

 

 

Answer 1

English has been learnt for four years

Answer 2

1.they have learnt english for four years.

=> english __has been learnt for four year________________

 

Answer 3

1.they have learnt english for four years.

=> english __has been learnt for four years by them________________

Answer 4

English has been learned for four years.