didn't 是 did not 的縮寫,在句子中作為助動詞使用,後面人稱代詞的形式如下:

1. 單數人稱代詞

I didn't 去 + 動詞原形

He/She/It didn't 去 + 動詞原形

例句:I didn't go to school yesterday.

2. 複數人稱代詞和你

We/You/They didn't 去 + 動詞原形

例句:They didn't finish their homework last night.

3. 名詞或名詞詞組

主語 + didn't 去 + 動詞原形

例句: The boy didn't return the book to the library.

4. 需要注意第三人稱單數的動詞原形要加s

He/She/It didn't go/reads/studies 去 + 動詞原形加s

例句:She didn't reads the notice on the wall.

綜上所述,didn't 後面人稱代詞的基本規則是都直接加動詞原形,第三人稱單數動詞原形要加s。正確運用人稱代詞和動詞形式非常重要。