In the following question, a sentence has been given in Active (or passive) voice. Out of the four alternatives suggested select the one which best express the same sentence in Passive (or Active) Voice.
He teaches us grammar.
1
Grammar is taught to us by him.
2
We are being taught grammar by him.
3
Grammar is being taught us by him.
4
We are taught grammar by him.
5
Grammar is what is taught to us by him.