Experts please check whether my answers are correct or not.

Transformation of sentences as directed:-

1) Gita is wearing a green frock and she is my sister.

(Begin with "Gita who") Ans- Gita who is wearing a green frock is my sister.

2) As soon as joe had seaed himself, he asked for water.

(Begin with "no sooner") Ans- No sooner did joe seated himself than he ask for water.

3) many years have passed since he wrote to me.

(Begin with "many years ago") Ans- Many years ago he wrote to me.