回答如下:

1 形容詞性人稱代詞如下:

第一人稱: my 我的 our 我們的

笫二人稱: your 你的 your 你們的

第三人稱: his 他的 her 她的 its 它的

their 他們的， 她們的，它們的

2 形容詞性人稱代詞，在句中放在名詞前作定語。如:

(1) They are my books.

(2) Those are our desks.

(3) Is it your smartphone?

(4) Are these your apples?

(5) I think it"s his sharpener.

(6) Her name is Dorothy.

(7)I have a cat. Its name is Mimi.

(8) Their hobbies are swimming.