七年级下册英语语法 (1).doc

七年级英语下册语法总结 一一般现在时 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 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 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。 g. Does she like football? 5. 特殊疑问句：特殊疑问词+一般疑问句二现在进行时 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 g . Is she listening to music? 6. 特殊疑问句：特殊疑问词+一般疑问句三将来时 1. 构成：主语+be going to+动词原形 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 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 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+一般疑问句四过去时 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, eg. Walk--walked 2）以字母e结尾的动词加- d, eg. Live--lived 3）以辅音字母加y结尾的变y为i加-ed, eg. 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 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 g. I didn’t telephone my parents yesterday. 5. 疑问句：1) 动词be过去式提前 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 g. Did you telephone my parents yesterday? 6. 特殊疑问句：特殊疑问词+一般疑问句五形容词、副词比较级，最高级 1. 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, not