By the time you arrive home ,I______,so please not make any noise when you come in?为什么是填shall be sleeping而不是shall have been sleeping?讲的详细点.

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/11 03:07:18
By the time you arrive home ,I______,so please not make any noise when you come in?为什么是填shall be sleeping而不是shall have been sleeping?讲的详细点.

By the time you arrive home ,I______,so please not make any noise when you come in?为什么是填shall be sleeping而不是shall have been sleeping?讲的详细点.
By the time you arrive home ,I______,so please not make any noise when you come in?
为什么是填shall be sleeping而不是shall have been sleeping?讲的详细点.

By the time you arrive home ,I______,so please not make any noise when you come in?为什么是填shall be sleeping而不是shall have been sleeping?讲的详细点.
用shall have been 的话是说sleep这个动作在主句动作之前已经持续了一段时间 是强调持续的 而句意强调的是回去的是候正在睡 即将来进行时 才能表达准确