Пролалжать придложение. 1 you'd better (+infinitive). 2 you ought if i were you i' you 's worth+ ing. 6 it's a good idea you mught find it useful to. don't you(+

1.going for a walk
2. read this article
3. better doing my homework
4. work hard to achieve success
5...
6. learning English
7. read some books
8. making this cake?
9. wash your hands