since引导的句字子怎么做?
来源:百度知道 编辑:UC知道 时间:2024/05/02 13:59:22
1)完成时的时间从句,表示自从...就...
如:I have become an engineer since 1999.
2) 原因状语从句,表示由于“众所周知”的原因。
如:I married her since we have known each other from childhood.
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来源:百度知道 编辑:UC知道 时间:2024/05/02 13:59:22
1)完成时的时间从句,表示自从...就...
如:I have become an engineer since 1999.
2) 原因状语从句,表示由于“众所周知”的原因。
如:I married her since we have known each other from childhood.