1. I suggested (help)....... our mother with the housework.
=>to help
2. How about (dine).........out tonight?
=>the dinner 
3. I suggest that you should (take)............a vacation.
=> take
4. Let's (do).............. some reading every day.
=>do
5. I suggest we should (word)...........harder.
=>work
6. She suggests that he (leave)..............now
=>is leaving
7. why don't we (go)......to the library now?
=>going
8. The doctor suggested that his patienr (stop).........smoking.
=>stop
9. What about (ask).........out teacher for help.
=>asking
10. We suggested he (see)..........a doctor.
=>see