27 if you don’t study hard , you will fail the exam

28 I suggest that we should keep quiet about that

29 If you don’t have passport, you won’t go overseas

30 If you review lesson carefully , you will pass the final exam

31 if you don’t get up early , you’ll be late for school

32 If we recycle , we will save natural resources

33 my father drives safely (

34 she plays tennis skillfully

35 Nam plays football well

36 If you don’t be careful , you’ll lose all the money ( if loại 1 )

37 if you dont come home late , your mother wont punish you

38 If you eat a lot of greenfruit , it will make you sick

39 As it took a lot of time to drive , he like to take the underground ( Since / As + S+ V , clause = S + V , so + clause )

Giải thích

27 , 28,29,39,31,32,36,37,38 : if loại 1 : S + V ( hiện tại đơn ) , S+ V ( tương lai đơn )

33,34,35 ( S + V+ adv = S+ be + a/an + Adj + Noun)

39 mình đã giải thích ở trên roi ạ