单词的用法及固定搭配

sun有时被用作物质名词。例如：There is not much sun today. 和We don't get much sun in the room.

summons是单数形式，不是复数形式，它的复数形式是summonses。

说“夏季”用summer-time或summertime都可以。

可以说a fine summer day，也可以说a fine summer's day。

a suit of clothes是“一套衣服”，尤其指外套、背心和裤子。不可说a suit of clothing。

commit suicide是“自杀成功”，所以不可说She committed suicide twice，该把committed改作attempted。

可以说suggestive comments，suggestive style，a suggestive list of topics of composition等。

suggestion（建议）后面可以接以that引导的从句，从句里用should或属于虚拟现在式的动词。例如：

suggest后面接动名词，不接不定式，如可以说I suggest asking her advice，不可说I suggest to ask her advice。