七年级下英语知识汇总。
unit 4. don’t eat in class.
名词： rule, hall, practice, dish, kitchen, luck, hair,
动词： arrive, fight, wear, bring, practice, relax, read, feel, remember,follow, keep, learn,
形容词：sorry, outside, important, quiet, dirty, more, noisy, terrible, strict,
副词： outside, out介词： before,
词组： do the dishes, on time, listen to, dining hall, arrive late for, go out,do one’s homework, help sb. do sth.
, make one’s bed, be strict with sb.
too many, on weekends, think about, follow the rules
语法： 祈使句的用法：用于表达命令、请求、劝告、警告、禁止等的句子叫做祈使句。
祈使句因对象（即主语）是第二人称，所以通常都省略。祈使句的动词都为一般现在时。
肯定结构：1． do型(即：动词原形(+宾语)+其它成分)。例：please h**e a seat here. 请这边坐。
2． be型(即：be +表语(名词或形容词)+其它成分)。例：be a good boy! 要做一个好孩子！
3． let型(即：let + 宾语 + 动词原形 + 其它成分)。例：let me help you. 让我来帮你。
否定结构：1． do型和be型的否定式都是在句首加don't构成：
例：don't forget me! 不要忘记我！don't be late for school! 上学不要迟到！
2． let型的否定式有两种：
don't + let +宾语+动词原形+ 其它成分” 例：don't let him go.
let + 宾语 + not + 动词原形 + 其它成分”。 例：let him not go.
3． 有些可用no开头，用来表示禁止性的祈使句。
如：no smoking! 禁止吸烟！no fishing! 禁止钓鱼！
句型： 必背。
1、don’t arrive late for class.
2、can we bring music players to school?
3、and we always h**e to wear the school uniform.
4、there are too many rules!
5、don’t le**e the dirty dishes in the kitchen!
6、i h**e to keep my hair short.
难点： listen to与hear、put on与wear、look at与see的区别。
强调动作的：listen to、 put on、 look at
强调结果的：hear、 wearsee
too many/too much/much too的用法。
too many: 太多的… 后接可数名词复数例：there are too many flowers in the garden.
too much: 太多的… 后接不可数名词例：i h**e too much homework this evening.
也可修饰动词作状语) 例：he talks too much.
much too: 太… 用来增强语气，后接adj./adv. 例：the little boy is much too fat.
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