1CAN'T THEY 2 ISN'T HE 3 DIDN'T HE 4 HAVEN'T THEY 5 WASN'...

Exercise 13 1can't they 2 isn't he 3 didn't he 4 haven't they 5 wasn't he 6 shouldn't he

T à i l i ệ u s ư u t ầ m , t ổ n g h ợ p P a g e 18 | 28

7 couldn't it 8 isn't he 9 isn't it 10 can't he 11 won't it 12 doesn't she 13 hasn't she 14 didn't

they 15 doesn't she 16 doesn't he 17 didn't he 18 don't they 19 haven't 1 20 hasn't he

21 isn't she 22 didn't they 23 mightn't he 24 mustn't we 25 hadn't you 26 wouldn't you

27 don't they 28 oughtn't she 29 wasn't it 30 don't they 31 won't you 32 didn't he 33 won't there 34

hadn't you 35 wouldn't you 36 couldn't you