`1.` Long form: The boy is kicking the ball.

`-` Short form: He's kicking the ball.

`-` "The boy" - Chỉ một cậu bé `->` He: Anh ấy 

`2.` Long form: The girls are dancing.

`-` Short form: They're dancing.

`-` "The girls" - Các cô gái `->` They: Họ 

`3.` Long form: The woman is talking on the phone.

`-` Short form: She's talking on the phone.

`-` "The woman" - Người phụ nữ `->` She: Cô ấy 

`4.` Long form: The horse is jumping over the fence.

`-` Short form: It's jumping over the fence.

`-` "The horse" - Con ngựa `->` It: Nó 

`5.` Long form: The workers are working in the garden. 

`-` Short form: They're working in the garden. 

`-` "The workers" - Chủ ngữ số nhiều `->` They: Họ 

`-` S + is = S's

VD: He is = He's; She is = She's 

`-` S + are = S're

VD: They are = They're; We are = We'are 

`-` I am = I'm 

`-` Các câu trên đều chia thì HTTD do đó là hành động đang xảy ra trong ảnh.

`( + )` S + am/is/are + V-ing + O

`( - )` S + am not/isn't/aren't + V-ing + O

`( ? )` Am/Is/Are + S + V-ing + O?