如何理解since引导的时间状语从句
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解决时间 2021-02-12 00:23
- 提问者网友:温柔港
- 2021-02-11 11:11
如何理解since引导的时间状语从句
最佳答案
- 五星知识达人网友:底特律间谍
- 2021-02-11 12:24
1. 从过去的某一个时间点开始一直到说话时的状况,主句谓语用完成时,从句用过去时:He hasn't been home since he graduated.
2. 表达因果关系,主从句时态根据语义表达的需要而定。since 与 because 同义: I won't tell you about it since you're not interested.
2. 表达因果关系,主从句时态根据语义表达的需要而定。since 与 because 同义: I won't tell you about it since you're not interested.
全部回答
- 1楼网友:时间的尘埃
- 2021-02-11 12:32
我给你改啊,看着:since 21st century ago,the computer has been widely used for personal daily life./since 21st century ago,the computer is widely used for personal daily life.可以是现在完成时,也可是一般现在时,因为现在完成时是现在与过去联系在一起的时态,主要强调现在的情况,所以两种时态都可以。例如,it is /has been three years since i come here.
怎么样?够明白了吧!好了,祝你进步哟!
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