1、其实在美式英语中，as if 会经常用like代替。比如：It looks like it's going to rain.
2、用法N2在使用实义动词时，主语一般都是人。例句：I felt some tickets in my bag.
3、感官动词用作实义动词，常常会出现一些不完全的及物动词。比如：I heard her sing.形成一种结构：感官动词+宾语+宾补，这种宾补可以是原形或者分词。
4、我们对下面一组例子进行分析：I heard her singI saw him work in the park.这里强调的是事件本身。
5、而下面这一组例子：I heard her singing.I saw him working in the park.这组例子强调的是看到他们的动作。
6、在被动语态中，常常要用不定式或者现在分词作补足语。比如：She was heard to sing.She was heard singing.前者强调事实，后者强调正在发生
7、我们以题目作为结束。They know her very well. They had seen her _____ up frim a kid.A. growB. to 爿讥旌护growC. was growingD. grew
