1. a/an+ 泛指（第一次出现）
the + 特指（第二次出现），最高级，序数词 注意：(1)an+a,e,i,o,u
an + unusual/hour/honest/ 8 /18 / 80/ 11 a+European/university/usual/useful/UFO/ uniform/one
(2)the+序数词（th）“第几” a+序数词“再一，又一”
(3)the/his/her/one's+序数词+n，
Eg. the/my sister’s fifth birthday
2. teach +sb(宾格)+ sth
例如：teach me/us/you/him/her/them English
teach (by) yourself
3. hundreds of
数字+hundred/thousand/million/billion
4. (1)in 2017, in the 1980s, in one’s sixties 在某人六十几岁,at the age of+数字
(2)on the morning of Sunday, on a cold morning on November 15th (3) 分数= 分子 分母
=基数词 序数词（分子大于一，分母+s）
例如：3/5 = three fifths
(4) 16-year-olds & a 16-year-old teenage 5. both... and+谓语动词用复数（原型） not only...but also...+就近原则 不但...而且... either...or...+就近原则 或者...或者... neither...nor...+就近原则 两者都不 none 三者或三者以上都不 all 三者或三者以上都 6. used to do sth 过去的习惯 be/get used to doing sth 现在的习惯 7.感叹句
(1) What + music, weather, information, news, advice (2) How+句子 （the）
8.表推测：must, can’t, might, could, may 9.There (is/are going to , will) be
10.（1）不定代词+形容词: something+new （2）形容词/副词+enough+名词+to do 11. have/has+been dead(married) + for/since 12. (1) If (如果)+一般现在时, 将来时态
wonder/don’t know+if（是否）+将来时 (2)When (什么时候)+将来时
When（当…时候）+现在时
(3)将来时+not...until 直到...才/unless除非/as soon as+一般现在时 13.被动语态：be + 动词的过去分词 14.宾语从句：语序时态 15.定语从句：
（1）that（人/物），who(人)，which（物） （2）介词+whom（人）, 介词+which（物） （3）名词1+of/about+名词2，先行词看名词1 16. a number of（许多）+谓语动词复数（are/have), the number of（...的数目）+谓语动词单数(is/has) 17. make sb do sth, be made to do sth 18. It+takes/took+ sb+时间/金钱+to do sth
人+spend/spent+时间/金钱+on sth/(in) doing sth 人+pay/paid+时间/金钱+for sth 物+cost+人+时间/金钱
19.It’s+ adj. + for(物)/of（人）+ sb to do sth 人+ find/found+ it + adj.+ to do sth 20. so+ 形容词/副词+that+句子 such+ 名词+that+句子 21. stop to do sth& stop doing sth
(remember/forget/continue)
22. look forward to(盼望)，pay attention to(关注，注
意)，finish（完成），practice（练习），mind（介意） +doing sth
23. Must提问，No, you needn’t/don’t have to.回答 24. Mind提问，
不介意：Not at all./Certainly not./Of course not. 介意：You’d better not.
25. 单复数同体：
中国的鱼鹿羊爱吃日本人 Chinese, fish, deer, sheep,Japanese
26. 作文句型 模块结构：
首先， to mention first, in the first place, to begin with, to start with
接着，besides, in addition, furthermore,
最后，Last but not least, Above all最重要的是，尤其是
结尾：
1. As far as I am concerned...就我而言 2. To sum up 总而言之
In conclusion= In short = In brief= All in all 3. Nothing is more important than to do.
没什么比...更重要 号召：
Common endings ：
1 Let’s take action now, pull together and be moral citizens!
2 Come and join us!
3 It’s our duty to keep our city in order. 4 We’re looking forward to your participation（参与）!
5 You should never miss it!
6 If everyone makes an effort for it, I believe things will be better and better.