匿名回答于2023-10-06 18:07:04
例如: I am a student. 否定句:I am not a student.
I have money. 否定句:I have no money.
其他实意动词在一般现在时的情况下,在动词前面加don't
例如: I study hard. 否定句: I don't study hard.
但是实意动词在一般现在时态下,如果主语是三人称单数,在动词前面就要 加doesn't
例如: She works hard. 否定句:She doesn't work hard.
匿名回答于2023-10-04 03:11:03