初一英语重点要点请大家总结初一英语的重点要点（新世纪版）,选择疑问句和现在进行时

初一英语重点要点请大家总结初一英语的重点要点（新世纪版）,选择疑问句和现在进行时
初一英语重点要点
请大家总结初一英语的重点要点（新世纪版）,
选择疑问句和现在进行时

初一英语重点要点请大家总结初一英语的重点要点（新世纪版）,选择疑问句和现在进行时
初一英语重点要点
1.人称代词
主格：I we you she he it they
宾格：me us you her him it them
形容词性物主代词：my our your her his its their
名词性物主代词：mine ours yours hers his its theirs
2.形容词和副词的比较级
(1) 一般在形容词或副词后+er
older taller longer stronger,etc
(2) 多音节词前+more
more interesting,etc.
(3) 双写最后一个字母,再+er
bigger fatter,etc.
(4) 把y变i,再+er
heavier,earlier
(5) 不规则变化：
well-better,much/many-more,etc.
3.可数词的复数形式
Most nouns + s a book –books
Nouns ending in a consonant +y - y+ ies a story—stories
Nouns ending in s,sh,ch or x + es a glass—glasses a watch-watches
Nouns ending in o +s or +es a piano—pianos a mango—mangoes
Nouns ending in f or fe - f or fe +ves a knife –knives a shelf-shelves
4.不可数名词(单复数形式不变)
bread,rice,water ,juice etc.
5.缩略形式
I’m = I am you’re = you are she’s = she is he’s = he is
it’s = it is who’s =who is can’t =can not isn’t=is not etc
6.a/an
a book,a peach
an egg an hour
7.Preposition:
on,in ,in front of,between,next to,near,beside,at,behind.
表示时间：at six o’clock,at Christmas,at breakfast
on Monday on 15th July On National Day
in the evening in December in winter
8.基数词和序数词
one – first two-second twenty-twentieth
9.Some /any
I have some toys in my bedroom.
Do you have any brothers or sisters?
10.be 动词
(1) Basic form:am/are/is
(2) 肯定和否定句 I am(not) from London.
My eyes are(not) small.
My hair is(not) long.
（3）一般疑问句：Am I a Chniese?Yes,you are.No,you aren’t.
Are they American?Yes,they are.No,they aren’t.
Is the cat fat?Yes,it is.No,it isn’t.
11.there be 结构
肯定句：There is a …
There are …
一般疑问句:Is there Yes,there is./ No,there isn’t.
Are there…?Yes,there are./No,there aren’t.
否定句：There isn’t ….There aren’t….
12.祈使句
Sit down please
Don’t sit down,please.
13.现在进行时.通常用“now”.
形式：be + verb +ing
eg:I am(not) doing my homework.
You/We/They are(not) reading.
He/She/It is(not) eating.
动词 —ing 的形式
Most verbs +ing walk—walking
Verbs ending in e -e + ing come—coming
Short verbs ending in a vowel + a consonant run –running swim—swimming
14 一般现在时.通常用 “usually,often,every day,sometimes”.
形式：
肯定句：
I go to school on foot every day.
She goes to school on foot every day.
15 选择疑问句：选择疑问句是用or连接询问的两部分,以供选择,答案必须是完整的句子或其省略形式,不能用Yes或No回答
一般提出两种或两种以上的可能,问对方选择哪一种.其结构可用一般疑问句,也可用特殊疑问句.供选择的两部分用or连接,前者读升调,后者读降调.
e.g.Will you go there by bus or by train?
What would you like,coffee or tea?
How many pens do you have,one or two?
选择疑问句的答语必须是完整的句子或其省略式,不能答yes或no.
e.g.Do you go to school by bus or by bike?
By bus.
Which would you like,tea or coffee?Coffee.
一般疑问句演化来的选择疑问句
e.g.Is it right or wrong?
Were you or he there?
Are they reading,chatting or watching TV?
特殊疑问句演化来的选择疑问句
e.g.Which do you like better,coffee or milk?
What color is it,red,blue or yellow?
Where are you going,to the classroom or to the library?
or not构成的选择疑问句
e.g.Do you want to buy it or not?
Are you ready or not
16.现在进行时（present continuous）是一个动词时态.
正确的结构是“to be + 动词的现在分词 (也就是俗称ing形式)”.
用于表达现在正在进行的动作.
例：I am doing my homework - 我正在写作业.
另外,“to be + going + 动词不定式”这个特殊的结构可表示在未来即将要进行的动作.
例：He is going to tell me tomorrow - 他将在明天告诉我.

人称代词