八年级英语上册Unit 6 知识点总结

Unit 6  I’m going to study computer science一、词组、短语：
1、grow up 长大，2、every day每天，3、be sure about对某事确信， 4、make sure 确信/有把握， 5、send…to…把…发送到…/把…寄…，6、be able to 能/能够 ，7、 the meaning of …的意思/含义， 8、 different kinds of 不同种类的，9、in common通常，10、 at the beginning of 在…开始的时候， 11、write down写下/记下，12、 have to do with必须处理某事，13、take up  开始从事/着手处理/接受，14、 hardly ever 几乎不，15、too…to…太而不能
二、习惯用法、搭配
want to do sth. 想做某事，                          be going to + 动词原形：将要做某事，practice doing sth. 练习做某事，                    keep on doing sth.继续做某事，learn to do sth. 学会做某事，                           finish doing sth做完某事，promise to do sth.答应做某事，                        help sb. to do sth.帮助某人做某事，remember to do sth. 记住要做某事，  agree to do sth.同意做某事，love to do sth.喜欢做某事，be going to 的用法
1）   be going to + 动词原形——表示将来的打算、计划或安排。常与表示将来的tomorrow, next year等时间状语或when 引导的时间状语从句连用。各种句式变换都借助be 动词完成，be随主语有am, is, are 的变换，going to 后接动词原形。肯定句： 主语 + be going to + 动词原形 + 其他。He is going to take the bus there.否定句： 主语 + be not going to + 动词原形 + 其他 I’m not going to see my friends this weekend.一般疑问句： Be + 主语 + going to + 动词原形 + 其他肯定回答： Yes, 主语 + be.                   否定回答： No, 主语 + be not.Are you going to see your friends this weekend?   Yes ,I am.   /    No, I’m not.特殊疑问句： 疑问词 + be + 主语 + going to + 动词原形 + 其他？What is he going to do this weekend?   When are you going to see your friends?2) 如果表示计划去某地，可直接用 be going to + 地点We are going to Beijing for a holiday.3) 表示位置移动的动词，如go , come, leave 等常用进行时表示将来。The bus is coming.              My aunt is leaving for Beijing next week.4) be going to 与 will 的区别：① 对未来事情的预测用“ will + 动词原形”表达，will 没有人称和数的变化，变否定句要在will 后面加not, 也可用will 后面加 not,或者缩略式won’t, 变一般疑问句将will 提至 句首。Will planes be large in the future?         Yes, they will. /  No, they won’t.②will 常表示说话人相信或希望要发生的事情，而be going to 指某事肯定发生，常表示事情很快就要发生。   I believe Lucy will be a great doctor.③ 陈述将来的某个事实用will.    I will ten years old next year.④表示现在巨大将来要做的事情用 will.   I’m tired I will go to bed. ⑤ 表示意愿用will.     I’ll tell you the truth.⑥ 表示计划、打算要做的事情用 be going to, 而不用 will.I’m going to buy a computer this month.---Let’s discuss the plan, shall we?      ----Not now. I ______ to an interview.A. go     B. went     C. am going     D. was going ------Jack is busy packing luggage.         ---Yes. He _________for America on vacation.A. leaves      B. left    C. is leaving    D. has been away三、重要句子（语法）What do you want to be when you grow up?                I want to be an engineer.How are you going to do that?                       I’m going to study math really hard.Where are you going to work?                        I’m going to move to Shanghai.When are you going to start?              I’m going to start when I finish high school and college.四、词语辨析1 promise vt. 保证，许诺。有三种结构：1)promise to do sth. ——My mother promised to buy a piano for me.2)promise sb. sth.  ——My aunt promised me a bike.3)promise + that 从句——Tom promises that he can return on time.promise n. 允诺， 诺言Lily is a dishonest girl. She never keeps a promise.2.when 与 while 的区别：when 表示“当…时候”，既指时间点，又指一段时间，when 引导的时间状语从句中的动词可以是终止性的也可以是延续性的。When the teacher came in, the students were talking.When she arrives, I’ll call you.while 表示“当…时候”，仅指一段时间，从句中的动作必须是延续性的，一般强调主从句的动作同时发生， while  还可以作并列连词，意为“ 而、却”，表示对比关系。Lisa was singing while her mother was playing piano.Tom is strong while his younger brother is week.  3. practice vt.  练习， 后接名词，代词或v-ing 作宾语。Your elder sister is practicing the guitar in the room.常跟v-ing 作宾语的动词有：考虑建议盼原谅：consider, suggest/advise, look forward to, excuse, pardon.承认推迟没得想： admit, delay/put off, fancy.避免错过继续练：avoid, miss, keep/keep on, practice.否认完成能欣赏： deny, finish, enjoy, appreciate.不禁介意与逃亡： can’t help , mind, escape.不准冒险凭想象： forbid, risk, imagine.4. everyday 与 every day 区别everyday  adj. 每天的   在句中作定语，位于名词前。 This is our everyday homework.every day  副词短语， 在句中作状语，位于句首或句末。 He reads books every day.