14. If you stop taliking, you will understand lesson

18. you go to bed early if you are tired now

Should you travel to Ha Noi, please send Minh this book.

21/ have - will go
22/ is - will watch

21.have-will go

22.is - will watch

23/ won't go - is
24/ has - will visit

don't go - is

has - will visit

don't has / won't go

swim 

gets

will sit 

will I do 

run

comes

leaves

tell

If you keep silent , you won't wake the baby up

Should you travel to Hanoi, please send Minh this book

Should you study hard, you will pass the exam