1. like +动名词如:like swimming
like +名词的复数如:like masks
2. go + 动名词如:go climbing
3.How many +名词复数如:how many watches
4.different +名词复数，前面不要加the,如:different countries
5. same 前加 the，后面一般跟单数，如:the same hobby
6.序数词前一定加the ,如: the first day, the second son
7.在几点用 at,如 at7o'clock,
在某一天或某一天的具体时间段用on ,如: on Sunday, on Sunday morning,
直接在早上、下午或晚上用in,如:in the morning
8.动词后代词用宾格(动宾)如:join me
10.介词后代词用宾格(介宾)如:with him , to her, for them, about it
11.want to +动词原型，would like to +动原，sorry to +动原，forget to+动
原，
it's time to+动原，
12.情态动词 can 后面加动原，let's后加动原
13.祈使句中动词用原形(如Do your homework, please.),
否定句在句首加 Don't (如 Don't do your homework, please)
14.助动词 (do does don't doesn't)后动词用原形
15.形容词加名词 (形名) 如:a beautiful girl
16.动词加副词(动副)如:dance beautifully
17.some 用于肯定句，any用于否定句
18. There be 结构就近原则如:There is a teacher and some students in the
classroom.
19.不可数名词:water coffee tea milk juice bread rice food fruit paper
chocolate exercise fish
20.乐器前加 the,球类前不加the, (play the乐器，play 球类)如:play the piano,play
football
21.Who 当作特殊的第三人称单数(Who sings well?)
22.一般现在时关键词:often
usually always sometimes
on Sundays
every......
(主语为第三人称单数，动词加s或es,其他时候动词用原型)
现在进行时关键词:look listen now(be动词，动词ing缺一不可)
23.冠词:a,an,the
①元音音素前面用an,辅音音素前用a
a coat, an orange/ English /interesting coat...(a ,e , i, o, u)
②第一次提到某人或某物用a/an,下文再提及用 the
There is___monkey. _____monkey is eating bananas.
③a,an, the 不和my/your/his/her/their/ our/its 一起用，不能和that, this, these, those
一起用
my bookthis crayon
24.人称代词:很多人称并列做主语时候，I最后，第二第三人称先说
You, she and I are going to see a film'
25. busy/ free/ absent / late等形容词用在句子中必须和be动词一起
Is the busy?I am absent. Don't be late
26.from 要和 be 动词一起用。He is from China?Are they from the same city?
27.and 前后动作一致。She often goes fishing and takes photos.Let's go and have some chicken.
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