They must finish their work before lunch 改为否定句

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/06 11:32:20

They must finish their work before lunch 改为否定句
They must finish their work before lunch 改为否定句

They must finish their work before lunch 改为否定句
They needn't finish their work before lunch
相信我的答案 望采纳

They can't finish their work before lunch.

They needn't finish their work before lunch
相信我的答案 望采纳

They needn't finish their work before lunch .

They NEEDN'T finish their work before lunch
They DON'T HAVE TO finish their work before lunch

they don't have to finish their work befor lunch

They needn't finish their work before lunch .

此处must表示推测,“一定”的意思,于此相对,否定的推测一般用can't.所以改为 They can't finish their work before lunch.

They must not finish their work before lunch