1. help help  ⇒ help

2. if to ⇒ if he bought

3. was I ⇒ if I was

4. known ⇒ know

5. can't ⇒ couldn't

6. have ⇒ had

7. following ⇒ the following

8. had I ⇒ I had

9. stayed ⇒ stay

10. would get ⇒ would have got

1. My mother asked me if I could help help her do gardening tomorrow ---> help

2.Jim wondered if to buy a new radio or fix his old one -----> if he bought

3.  Peter asked me was I free that weekend ----> if I was

4.   I wanted to known who was the winner of that competition ---> know

5.  They said that perter can't make it to the final show ----> couldn't

6.  My manager asked if I have finished my work yet -----> had

7.  Peter said that he was going to get married following month ----> the following

8.  She asked me what had I done the previous day -----> I had

9.  Now I just don't know whether to leave or stayed -----> stay

10.  Mr.Brown said that he would get  promotion by the end of this year ------> would have got