Đáp án :

Câu `1` :

play `->` playing ( chơi )

climb `->` climbing ( leo )

watch `->` watching ( xem )

learn `->` learning ( học )

find `->` finding ( tìm )

open `->` opening ( mở )

Câu `2` :

`a)` is  `(` `S` số ít + `is` `)`

`b)` am `(` `I` + `am` `)`

`c)` are `(` `S` số nhiều + `are)`

Câu `3` :

`a)are` $cleaning$ `(` `S` số nhiều + `are` + `V` $ing$ `)`

`b)am` $drawing$`(` `I` + `am` + `V` $ing$ `)`

`c)is` $laughing$ `(` `S` số ít + `is` + `V` $ing$ `)`

`@Wee`

1.

play - playing

watch - watching

find - finding

climb - climbing

learn - learning

open - opening

2. 

a, She is playing football.

b, I am watching TV.

c, They are climbing the wall.

3.

a, We are cleaning

b, I am drawing

c, He is laughing

Cấu trúc:

(+) S + be (I - am, He/She/It - is, You/We/They - are) +Ving

(-) S + be(am/is/are) not + Ving

(?) Be(Am/Is/Are) + S + Ving?

      Yes, S + am/is/are

      No, S + am not/is not/ are not

Chúc bạn học tốt!