3:常考的不可数名词：weather advice information new time food homework work water milk paper4:修饰可数名词复数的词（6个）：few/a few/serveral/many/a small number of/a large number of5:修饰不可数名词的词（4+2种）：little/a great deal/a little/much/a huge amount of = huge amounts of
6:一些：some 足够的：enough 许多（两种）：a lot of = lots of 很多：plenty of //以上 4种词后加可数名词复数或不可数名词
7:a piece of+（4种）：news/advice/paper/bread 短语：一杯牛奶：a bottle of milk 短语：三杯：three bottles of 短语：一件家具：a set of furniture
8:什么后加 a few/a little：only/still
9:部分(n)：part 一定程度上(adv)：partly 例句：他输掉了比赛，一定程度上是因为他没有好好休息。：He lost the game,partly because he didn't have a good rest 参加活动：take part in 积极参加活动：take an active part in 在某方面起着重要作用：play an import part in sth 例句：英语在我们日常生活中起着重要作用：English plays an import part in our daily life
10:at的 5种用法:at + 几点钟 / at night / at present / at/on weekends / at once
11:in的 10种用法：in + 年份 / in + 月份 / in + 季节 / in +年代 ／in one's + 整十复数 / in + 段 时间 / in the morning/afternoon/evening / in the past / inthe future / in the past few years //in the past few years 用于现在完成时
12:关于 on的 8种用法：on + 星期几 / on + 星期几 + morning/afternoon/evening / on + 节日 / on+某年某月某日 / on the morning/afternoon/evening of + 某年某月某日或出生死亡时间 / on + 天气 / on a cold winter morning / on that day
13:for + 段时间
14:关于 since的三种用法：since + 点时间 / since + 句子 / since than
15:不用介词的时间（7种）：this/that/last/next/tomorrow/yesterday/tonight = this evening
