...商务英语高级经济出版社有一句话:
I don't think you have to be particularly bright to be a manager—that's
more a quality you need in a leader.
对于这句话的后面一个名词性词组 A quality you need in a leader.这里如下两种分析方法,哪种合理?
1)定语...
Their child is at the stage ______ she can say individual words but not full sentences.(2019天津卷)stage作定语从句的先行词时且从句中不缺成分后关系副词究竟用when还是where?都可以的话何时用when何时用where?occasion后的关系副词又究竟是where还是whe...
...定式作为非限定动词有体和时态的变化。例如:一般体 (to) do进行体 (to) be doing完成体 (to) have done完成进行体 (to) have been doing不定式也可以有被动语态,例如:(to) be done(to) have been done不定式符号to打在括号里,意思是to在有些场合...
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 ...