If or whether: Grammar exercise

Complete the following sentences using if or whether. In some cases they are both possible.

1. I am not sure …………………… . I will have the time.

2. She asked me ………………… I was working.

3. We discussed ………………… . we should throw a party to celebrate the occasion.

4. …………………… . she will me recognize me I am not sure.

5. There was a big argument about …………………. she should resign.

6. I can’t decide …………………….. to go on a diet or not.

7. ........................................... she can get along with your mother is another matter.

8. He asked me ............................................ I had ever been to Europe.

9. I don’t know ....................................... she will come.

10. Janet is going to marry Charles ............................................ she likes it or not.

1. I am not sure whether/if I will have the time.

2. She asked me if / whether I was working.

3. We discussed whether we should throw a party to celebrate the occasion. (Whether is preferred after the verb discuss.)

4. Whether she will recognize me I am not sure. (When an indirect question comes at the beginning of the sentence, whether is used.)

5. There was a big argument about whether she should resign.

6. I can’t decide whether to go on a diet or not.

7. Whether she can get along with your mother is another matter.

8. He asked me whether / if I had ever been to Europe.

9. I don’t know whether / if she will come.

10. Janet is going to marry Charles whether she likes it or not.