外研版八年级上册单词讲解

八年级上册单词讲解M1（相关的）两个人；一对1）a pair of 一双；一副；一套；一对；一条例如: ①a pair of glasses 一副眼镜②a pair of gloves 一双手套③a pair of trousers一条裤子2）two pairs of 两双；两副；两套；两对；两条3）some pairs of 许多双；许多副；许多套；许多对；许多条4）in pairs 两个两个地例如: work in pairs 两人一组2. spelling 拼写1）它是spell 的名词2）the spelling of ...的拼写例如: can you tell me the spelling of this word 你能告诉我这个单词的拼写吗练习短语practice doing sth. 练习做某事例如: We should practice writing English letters everyday.我们应该每天练习写英语。

找到与...相配之物；使相配；使成对短语：match A with B 把A与 B 相匹配例如: Match the words with their meanings. 把这些单词与它们的意思相匹配把...填完整；使完全短语complete A with B 用B把A填完整例如: Complete the sentences with the words in the box.用方框中的单词把句子补充完整。

up 查；查找(字典)；向上看，（名中后代中间）例如:1）You can look up the new words in the dictionary.你可以在字典中查找新单词2) If you don’t understand the new words, you can look them up in the dictionary.如果你不理解这些字，你可以在字典中查找它们。

3）I look up the sky and see a bird. 我向天空中望去，看到了一只鸟。

错误；过错1）make a mistake=make mistakes 犯错误例如: Everyone will make a mistake in his life.= Everyone will make mistakes in his life. 每个人都会在他的一生中犯错误。

2）by mistake 无意的例如: Yesterday I saw him playing in the garden by mistake.昨天我无意间看见他在花园里玩。

down （名中后代中间）These sentences are very important, lease write them down.这些句子很重要，请把它们记下来。

意见；建议1）不可数名词，可用some，much，a piece of，pieces of等修饰2）常见短语：①a /one piece of advice一条建议②some advice一些建议例如: I’ll give you some advice on how to learn English well.我会给你一些关于怎样学好英语的建议3）常见搭配：①ask for advice 征求意见②follow /take one’s advice 接受某人的意见③give sb. some advice 给某人一些建议【你还学过那些不可数名词呢】homework, news , information, work, weather4）advice 的动词是advise 短语：advise sb. to do sth.例如: He advises me to ride a bike to school.他建议我骑自行车去学校My teacher advises me to leave now. 老师建议我现在就离开。

尽力；尝试try to do sth.努力做某事try doing sth. 试着做某事try one’s best to do sth. 尽某人最大的努力做某事例如:They are trying to study English well. 他们正努力学好英语。

I am trying doing it in this way. 我正试着用这种方法做。

We should try/do our best to help people. 我们应该尽最大努力帮助人们。

可能的短语：as…as possible = as…as sb. can尽可能…地例如: Please write to me as soon as possible.= Please write to me as soon as you can.请尽可能快地给我写信。

12. forget 忘；忘记短语：1）forget to do sth. 忘记去做某事（某事还没发生）例如: I forget to close the door. 我忘记关门了。

2）forget doing sth. 忘记做过某事（某事已经发生）例如: I forget going over lessons. 我忘记已经复习过功课了。

3) Don’t forget to do sth. =Remember to do sth. 不要忘记做某事。

例如: Don’t forget to have breakfast before school.= Remember to have breakfast before school. 别忘记上学之前吃早饭。

比较：forget doing sth.忘记做过某事,(已做)forget to do sth.忘记要做某事(未做)remember doing sth 记住做过某事(已做)remember to do sth.记住要做某事(未做)赞同短语：1）agree with sb. 同意某人例如: I agree with you.我同意你/我赞同你。

2）agree to do sth. 同意做某事例如: My mum agreed to buy a new bike for me.我妈妈同意给我买一辆新自行车。

3) agree on sth. 同意某事例如: I agree on the Summer Camp.我同意夏令营。

4) agree with sb. on sth. 在某方面与某人意见一致例如:I agree with you on study. 在学习上我同意你的观点。

14. ask for 请求（给予）短语：1）ask for help 寻求帮助例如: I’m lost. I want to ask for help. 我迷路了，我想寻求帮助。

2）ask sb. for help 寻求某人的帮助例如:Lily wants to ask me for help. Lily 想要寻求我的帮助。

合理的；合乎常情的短语：It’s natural to do sth. 做某事是正常的例如: It’s natural to forget new words. 忘记新单词是很正常的。

16.suggest表示“建议，提议”1）它的名词是suggestion,是可数名词。

2）suggest的用法：①suggest sth. 建议某事②suggest （one’s）doing sth. 建议某人做某事③suggest that sb. (should) do sth.建议某人应该做某事例如:(1)She suggested an early start. 她建议早一点出发。

(2)I suggested his / him giving up the idea. 我建议他放弃那念头。

(3)She suggested that I (should) study hard.她建议我努力学习。

3). suggest还有“暗示，表明”的意思，例如:The expression on his face suggested that he was very happy他脸上的表情表明他很开心。

17. several times 几次time ：①次数，可数；many times ②时间，不可数much time;1）time构成的短语：①at times /from time to time有时，偶尔②on time准时③all the time总是，一直④in time及时，迟早⑤each time 每次⑥next time 下次⑦for the first time第一次⑧for the last time最后一次（2）time构成的句型：It’s time for sth. / It’s time to do sth. 该是干……的时间了。

例如: It’s time for bed.=It’s time to go to bed. 该是睡觉的时候了。

18. something new 一些新东西不定代词有：something 一些东西/一些事情, anything任何东西/任何事情,nothing没有东西/没有事情, everything每个东西/每件事情,somewhere某个地方,anywhere任何地方, nowhere没有地方,everywhere到处, someone某人, anyone任何人,nobody没有人, somebody某人, anybody任何人不定代词与形容词的关系：形容词放在不定代词后：例如: someone strange某个奇怪的人, something else.别的某个东西M21.population “（某一地区的）人口；全体居民”，它是一个集体名词。

①population常与定冠词the连用，作主语时，谓语动词常用第三人称单数形式。

（be动词用is;实义动词加s或es）例如:The world’s population is growing faster and faster.全世界的人口增长得越来越快。

②当主语是表示“人口的百分之几、几分之几”时，谓语动词用复数形式。

例如:About seventy percent of the population in China are farmers.中国大约有百分之七十的人口是农民。

③表示人口的“多”或“少”,要用“large”或“small”。

例如:India has a large population. 印度人口众多。

Singapore has a small population. 新加坡人口少。