我的意思是:什么时候该用动名词?什么时候该用动词不定式?现在越学越混乱了。。。:(
比如:
我的兴趣是读书和听音乐
My hobbies are [用to read?还是用reading?] books.
为什么呢?
例如:有这样一个好老师,他应该感激。
He should appreciate [to have?having?] such a nice teacher?
我想你介绍我们认识。
I want you [to introduce?introducing] me to her.
怎么用?原因呢?