UC知道She has to b____ her sister
来源：百度知道 编辑：UC知道 时间：2024/09/25 07:30:45
请问横线上是填 babysit 还是 babysits 还是 babysitting ?
请讲解一下，谢谢了！
请讲解一下，谢谢了！
babysit
不定式 to 后面接动词原形
babysit 动词 照顾婴儿
have to do 不得不做某事 所以填动词原形
babysits是第三人称单数 不是原型
babysitting是现在进行时
babysitting
ing结尾表示一种状态。而另外两种不存在这样的语法。
“has to”相当于“must”，它们都有“必须”的意思，前者一般指客观因素，后者则是主观的，后面接动词原形。
babysit
have to +原形
babysitting
因为babysit在这里做动词 但是它本身是名词 所以用babysit的现在分词充当动词
She has been added to your Favorites
she has managed to make it work
She has to b____ her sister
what she has done has nothing to do with me
her isister has become a lawyer,( )she wanted to be
She always has trouble_____(to do / doing)
she has taken great pains to conceal her emotions,
She told me that she has two other cars _______ the one she drives to work.
She invited me to go to the movie和She has invited me to go to the movie的区别
What time did you go to b___ last year