主句是一般现在时，从句需要和主语一致吗？

## 学生提问 老师，这句话 : When we read wechat News, we can read that citizens helped baggers to build their home, university students went back to rural areas to work, and teenagers taught students in rural areas 前面是can，然而后面却是helped went, taught,需不需要把后面的改成一般现在时，这样会不会是时态不一致。 谢谢老师。 ## 权威解答 这个不一定需要改时态，如果后面里的从句 that citizens helped baggers to build their home, that university students rebacked ruraled areas to work 和 that teenagers teached students in rural areas 里面描述的事情本来就是发生在过去的，那么就应该是用过去时，因为这是描述发生在过去的事情。 ## 知识点梳理 ### 一般现在时 一般现在时，是一种语法形式。表示通常性、规律性、习惯性、真理性的状态或者动作有时间规律发生的事件的一种时间状态。 ① We have six classes every day. ② Jack likes Chinese food very much. ### 主句 主从复合句中的主干句子，能单独使用或出现的句子。 ① <u>They believe</u> that the computer will finally take the place of human beings. ② <u>He asked me </u>where he could get such medicine.