七年级英语上册Unit 1重点单词用法1.each 每个；各自，形容词和代词。【用法】（1）each other 彼此，互相。例We should help each other and learn from each other. （2）each 与of连用时，后接的名词或代词必须是复数，并且名词必须要有冠词、物主代词、指示代词等之类的限定词修饰。如果是一般现在时，谓语动词用三单的形式。例Each of the students has an advantage.2.other另外的人（或物），代词。【用法】一般以the other或者以复数形式others出现。（1）one.the other.一个.另一个.。例He has two sisters. One is seven, the other is five. （2）some.some.others.一些.一些.另一些.。例There are some students on the playground. Some are running, some are playing football, some are talking, others are playing tennis. 另外的，其他的，形容词。【用法】other后既可接可数名词复数形式又可接不可数名词，例other pencils 其他的铅笔。other students 其他的学生。other information 其他的消息。3.full完整的；满的，形容词。【用法】be full of 充满，装满，强调状态。例The room is full of people.4.grade年级；等级，名词。【用法】Grade Seven/Grade 7/the seventh grade七年级。Grade A milk甲等级牛奶。5.classmate同班同学，名词。-mate后缀表示 “同伴” 的意思。例workmate同事。schoolmate校友。roommate室友。6.mistake错误；失误，名词。【用法】make a mistake/ make mistakes 犯错误。例Its not good to make the same mistake, Amy.7.country国家，名词。复数形式是countries。可数名词单数变复数规则变化如下：（1）一般情况下在名词后加s。（2）以s, x, sh, ch结尾的加es。（3）以辅音字母+y结尾，变y为i加es。（4）以f, fe结尾的，把f, fe变成v加es。（5）以o结尾的名词，如hero, tomato, potato加es。不规则变化只能特殊记忆。例foot-feet, child-children, tooth-teeth, goose-geese。8.same相同的，形容词。【用法】常与the连用。例They work in the same hospital.9.both两个；两个都，形容词和代词。【用法】（1）常放于系动词、助动词和情态动词之后，实义动词之前。例They both want to go to the cinema. （2）常用短语“bothand”意为 “与两个都”。例Both my father and mother are English teachers.（3）both作主语时，谓语动词用复数形式。both常与介词of连用，构成“both of+”结构。例Both of us like watching TV. （4）both与否定词连用时，表示部分否定，意为“两个并不都”。例They arent both primary school students.（5）反义词是neither，表示“两者都不”。例Neither of them are students.10.guitar吉他，名词。【用法】琴类词前要加the。例play the guitar弹吉他。11.tennis网球，名词。【用法】球类运动前不能加the。例play tennis打网球。12.post帖子；邮政，名词。例Read the students posts. /You can receive it by post a few days later. 邮寄；发布，动词。例I will post the beautiful pictures online next week.13.even甚至；连；愈加，副词。【用法】（1）通常应放在被修饰词语之前，否则会引起含义的变化。Even now he doesnt believe me. 甚至到现在他还不相信我。（其他时候就不用说了。）Now even he doesnt believe me. 现在连他都不相信我了。（其他人就更不会相信我了。）Now he doesnt even believe me. 现在他甚至不相信我了。（其他方面的事就更不可能了。）Now he doesnt believe even me. 现在他甚至连我都不相信了。（其他人就更不会相信了。）（2）用来修饰形容词或副词的比较级，表示“比（已经的）更加”。例He is feeling even better than before.14.would想（用于礼貌地邀请或向某人提供某物）；将会，情态动词。【用法】后接动词原形。例Would you have dinner with me on Friday? would like sth./would like to do sth.想要./想要做某事。例She would like some tomatoes. /She would like to have a picnic with us.15.information信息；消息，名词（不可数）。例She often searches for information on the Internet.16.hobby业余爱好，名词（可数）。例Whats your hobby?/Swimming and running are my hobbies.2