Correct the following sentences.
1. Jack, ................................. is my friend, is a good boy.
2. Last year we visited Shimla ........................................ is perhaps the best hill station in India.
3. This is the house .................................... I purchased from Peter.
4. We bought some grapes from ................................... we extracted juice.
5. He lent me a mattress on ................................. I slept soundly.
6. I have a friend .................................... mother works at a bank.
7. With ...................................... were you exchanging pleasantries?
8. We met a traveler .................................... bag was stolen.
9. Air, ..................................... is present everywhere, is essential for the existence of life.
10. Please try to understand ................................... I say.
Answers
1. Jack, who is my friend, is a good boy. (That cannot be used in non-identifying relative clauses.)
2. Last year we visited Shimla which is perhaps the best hill station in India. (That is not used in non-identifying relative clauses.)
3. This is the house which I purchased from Peter. (We use which for things; who/whom for people.)
4. We bought some grapes from which we extracted juice.
5. He lent me a mattress on which I slept soundly.
6. I have a friend whose mother works at a bank.
7. With whom were you exchanging pleasantries?
8. We met a traveler whose bag was stolen. (Whose is the possessive form of who; who’s means who is or who has.)
9. Air, which is present everywhere, is essential for the existence of life.
10. Please try to understand what I say.
