关于have to/must be与don't have to/can't behave to与must bedon't have to与can't be的意思一样,在使用过程中有何区别

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/26 03:09:42
关于haveto/mustbe与don''thaveto/can''tbehaveto与mustbedon''thaveto与can''tbe的意思一样,在使用过程中有何区别关于haveto/mustbe与d

关于have to/must be与don't have to/can't behave to与must bedon't have to与can't be的意思一样,在使用过程中有何区别
关于have to/must be与don't have to/can't be
have to与must be
don't have to与can't be
的意思一样,在使用过程中有何区别

关于have to/must be与don't have to/can't behave to与must bedon't have to与can't be的意思一样,在使用过程中有何区别
have to表示不得不
must be 必需做
don't have to 不必做
can't be 不能做