急需知道”情态动词+have”用法即”may/might/must/can/could等+have"的意义及区别比如说:must have + done 以及 must have + been done 的意义及区别还有:can/could/may/might/must + have 之间的意义 用法以及区别

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/28 17:34:36
急需知道”情态动词+have”用法即”may/might/must/can/could等+have"的意义及区别比如说:musthave+done以及musthave+beendone的意义及区别还有

急需知道”情态动词+have”用法即”may/might/must/can/could等+have"的意义及区别比如说:must have + done 以及 must have + been done 的意义及区别还有:can/could/may/might/must + have 之间的意义 用法以及区别
急需知道”情态动词+have”用法即”may/might/must/can/could等+have"的意义及区别
比如说:
must have + done 以及 must have + been done 的意义及区别
还有:
can/could/may/might/must + have 之间的意义 用法以及区别

急需知道”情态动词+have”用法即”may/might/must/can/could等+have"的意义及区别比如说:must have + done 以及 must have + been done 的意义及区别还有:can/could/may/might/must + have 之间的意义 用法以及区别
must have + done 应该做了……
must have + been done 当时应该做……
上面的几个组合只是语气上有区别