He has a bad cold,Mr.Williams,so he must stay in bed for a weekso he must stay in bed for a week其中的stay为什么不加S

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/25 00:57:47
Hehasabadcold,Mr.Williams,sohemuststayinbedforaweeksohemuststayinbedforaweek其中的stay为什么不加SHehasabadco

He has a bad cold,Mr.Williams,so he must stay in bed for a weekso he must stay in bed for a week其中的stay为什么不加S
He has a bad cold,Mr.Williams,so he must stay in bed for a week
so he must stay in bed for a week其中的stay为什么不加S

He has a bad cold,Mr.Williams,so he must stay in bed for a weekso he must stay in bed for a week其中的stay为什么不加S
must是情态动词~所以后面接的动词都用原型!没有特例!