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she is having her bicycle fixed before she rides it home.为什么不用she had/have?
网校学员奋斗的**在学习从零学美语2-4级【听说升级版 全额奖学金班】时提出了此问题，已有1人帮助了TA。
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andilanbei
同学你好，该知识点来自沪江网校《从零学美语2-4级【听说升级版 全额奖学金班】》的课程，想要更系统的学习，欢迎进入课程学习。不仅可以和更多的同学一起学习，而且还有老师、助教随时的学习指导和知识点解答哦。
同学你好！she is having her bicycle fixed before she rides it home.这句话是现在进行时态，意思是她正在修理她的自行车。
后面谓语动词的结构还是have/has sth done哦！
版权申明：知识和讨论来自课程：《从零学美语2-4级【听说升级版 全额奖学金班】》的学员和老师，如果想了解更多，可以报名参加课程学习。所有知识讨论内容，版权归作者及沪江网校所有。
从零学美语2-4级【听说升级版 全额奖学金班】
已有3人在本课程中发现了25个知识
已有24个知识得到了老师的回复
本课程热门知识点
- If Sharon didn't have a meeting，she could help you。这句为什么不用hadn't?什么时候需要用助动词？
- Where do you usually look up phone numbers / look phone numbers up ? 这句如何回答？
- she is having her bicycle fixed before she rides it home.为什么不用she had/have?
- You have a credit card, don’t you?为什么不是have you?
- 介绍节日一般用什么时态？
- A stop sign was hit by a car. (hit / car, +)这里为什么用was，不用is？
- 12.50美元怎么说
- 过去完成时:had done 和had already done的区别在哪里？
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Gabby will earn three credits for taking
a computer science class. She is on
track for her graduation in May.
这里for后面为什么不用takes? - He had to take the subway to work before he got his new car.这里为什么用had?为何不用He took ?