He has to move about in a wheel-chair since five years old.
按语法规定,这个句子不太对,因为 since 前面的句子应该用现在完成时,但这个句子的谓语是 has to,它如何变为现在完成呢?难道是用 has had to? 像下面这样用?
He has had to move ...
一个例句是:Getting mad at others means other people are getting control of your emotions中means引导的宾语从句中,people are getting control为什么要用进行时态 be+doing 的形式呢?不能直接用一般时态吗?这里是什么用法?
Grouping together make sense because the bigger the group, the greater the protection it provided.句中 because 后句式结构怎么分析?the bigger the group 没有谓语动词be 感觉说不通,是什么语法现象省略吗?
Put the book back in the same place ______ you found it. He wants to go to the same hotel ______ he stayed the year before. A. where B. as请问如何选,是用哪个句型?是the same…as还是the same…where?
请问the+比较级,the+比较级中,什么时候主句用一般将来时?比如说:你工作的越努力,你得到的就多。我看到有这样写的:The harder you work, the more you get.也有这样写的:The harder you work, the more you will get.到底哪种对呢?