IV. Put the verbs into the correct form or correct tenses. 1. Work hard now, or you (never be) …………….……….. successful. 2. By the time my mother……………..… home yesterday, I (cook)……..…………… dinner. 3. It’s five years since her brother (leave)……………………..for Canada. 4. You (help)………………… if you told us your problem. 1- Sandra ought (practice)………………..……… her English more frequently. 2- An is in the hospital, I (visit)……………….…….. him tomorrow. 3- Lan (not see) ……………….…….. the film Titanic yet. 4-The Greens (be)……………. …....to many countries in the world so far. 5- ………….the play you (see) ……….………. last night (be)…………. a success? 6- He (eat)………….…..some seafood yesterday. Now he doesn’t feel well. 7. ……………….. (you/ be)……… free next Sunday? 8. I (not collect)……………………….. a lot of stamps from foreign countries so far. 9. My brother (play) …………………. the guitar now. ………………………………………………………………………………………………….. 10. After (have)………….………...(watch) ……………… the news on TV . 11- Nam likes (listen)………………… to music because it is interesting. 12- Don’t worry, I (go)…………….….. fishing with you next Saturday morning. …………………………………………………………………………………………………..