1)the children prefer (watch) watching TV to(read) reading books

2)The boys like(play) playing games but hate (do) doing lessons

3)Would you like(go) to go now or shall we wait till the end?

4)I can't find my favorite book. Do you(see) see it?

5)We used (dream) to dream of a televison set when we(be) were small

6)Would you mind(show) showing me how(send) to send an e mail?

7)He always think about(go) going swimming

8)She dislikes(do) doing a lot of housework

9)My children forward to (see) seeing you

11)They are(used to(prepare) to prepare new lessons

12)By (work) working day and night,he succeeded in (finish).the job in time

13)His doctor advised him to give up(smoke) smoking.