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初一英语下册有哪些英语语法点是重要的?下面是小编给大家整理的的相关知识，供大家参阅!
：一般现在时
1. 构成：主语+动词+其他
2. 标志词：always, usually, often, sometimes, never, 等频率副词。
3. 否定句：1)当动词是 be, can, may, must, should等在其后加not
e.g. I can’t play football.
2)当是实义动词时加助动词don’t/doesn’t后跟动词原形 e.g. I don’t like football. She doesn’t like football.
4. 疑问句：1)当动词是 be, can, may, must, should等将其提前
e.g. Can you swim?
2)当是实义动词时将助动词do/does 放在前面，后跟主语和动词原形。
e.g. Does she like football?
5. 特殊疑问句：特殊疑问词+一般疑问句 e.g When does she usually get up in the morning?
：过去时
1. 构成：主语+动词过去时+其他
2. 标志词：yesterday, just now, …ago, this morning, when I was young,last…等
3. 动词→动词过去式变化规律：
1)一般动词结尾加-ed, e.g. Walk--walked
2)以字母e结尾的动词加- d, e.g. Live--lived
3)以辅音字母加y结尾的变y为i加-ed, e.g. Hurry—hurried
4)以辅音字母+元音字母+辅音字母结尾的重读闭音节，双写末尾辅音字母加-ed, eg. Stop –stopped 特殊变化详见课本P172
4. 否定句：1)动词be过去式后直接加not
e.g. I was not in Chengdu last year.
2) 当是实义动词时，加助动词didn’t后跟动词原形
e.g. I didn’t telephone my parents yesterday.
5. 疑问句：1) 动词be过去式提前
e.g. Were you in Chengdu last year?
2) 当是实义动词时将助动词did 放在前面，后跟主语和动词原形
e.g. Did you telephone my parents yesterday?
6. 特殊疑问句：特殊疑问词+一般疑问句 e.g What did you do yesterday?
：现在进行时
1. 构成：主语+be+doing+其他
2. 动词→动词-ing变化规律：
1)一般情况下直接加-ing, eg. Working
2)以不发音e结尾的去e加-ing, eg. Taking
3)以辅音字母+元音字母+辅音字母结尾的重读闭音节，双写末尾辅音字母加-ing, eg. Stopping
4)特殊变化, lie—lying
3. 标志词：look, listen, now, at the moment, it’s…o’clock…
4. 否定句：be动词后加not
e.g. She is not listening to music.
5. 疑问句：将be动词提前
e.g . Is she listening to music?
6. 特殊疑问句：特殊疑问词+一般疑问句 e.g What is she doing now?
：将来时
1. 构成：主语+be going to+动词原形
主语+will+动词原形
2. 标志词：tomorrow, next day/month/year等表示将来的时间
3. 否定句：be动词后加not;will后加not
e.g. He is not going to have a piano lesson this weekend.
He will not have a piano lesson this weekend.
4. 疑问句：将be动词提前;将will提前
e.g. Is he going to have a piano lesson this weekend?
Will he going to have a piano lesson this weekend?
5. 特殊疑问句：特殊疑问词+一般疑问句 What are you going to do tomorrow? What will you do tomorrow?
：形容词
(1)在句子中做定语，一般放在名词之前。但是当形容词修饰something, somebody, anything, anybody, nothing, nobody时，要放于其后。
e.g. I have an interesting book.
There is nothing serious.
(2) 作表语，放在系动词之后。
e.g. This kind of dress is expensive.
(3) 以a-开头的形容词，一般在句子中只能作表语。
e.g. Keep quiet! My baby is asleep in the room.
(4) 作宾语补足语，放在宾语之后。
e.g. The good news makes us very happy.
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