Unit6 I’m going to study computer science
Section A
1. be going to 的用法 
①be going to +do  表示将来的打算、计划或安排
②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. When引导的从句 
  begin和start区别用一般现在时态。
③各种句式变换  句式变换借助be 动词完成，be随主语有am, is, are 的变换 
  肯定句： 主语 + be going to + 动词原形 + 其他  He is going to take the bus there when he is free.
  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?
④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..
⑤表示位置移动的动词，如go , come, leave ,move等常用进行时表示将来时态表示近期打算做某事。
  The bus is coming.      My aunt is leaving for Beijing next week.
注意：be going to 与 will 的区别
① 对未来事情的预测用will + 动词原形，will 没有人称和数的变化，变否定句要在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.
2. when  当……时”引导时间状语从句
  如果主句和从句中的动作都发生在将来，主句用一般将来时，从句用一般现在时， 
  She is going to be an astronaut when she grows up.
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.violin小提琴  violinist 小提琴家    piano钢琴  pianist 钢琴家  science科学  scientist科学家
  drive开车  driver 司机      foreign外国  foreigner外国人
4. grow up 长大    grow into  成长为
  practice doing sth 练习做某事 
  keep on doing sth 坚持做某事  表示动作的反复
  keep doing sth 一直做某事 表示动作或者状态的持续
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.
5. be sure about 确信 对……有把握      make sure  确保
(1) be sure +about / of +n/pron/doing  对……有把握    She is sure of success. 她确信会成功。
(2) be sure +宾语that 从句 肯定 有把握  主语为人=It’s certain that    We are sure that you can make it.             
(3) make sure + that  从句  Make sure that you can find out the truth. 确保你能出真相。
(4) be sure to do sth 用于祈使句中，表示说话人对对方提出要求    务必 切记
(5) be sure to do sth 表示说话人的推断  主语为人或物 
  It’s sure to rain tomorrow.     He is sure to come .他一定会来。
6. take/ have acting/singing/dancing lessons 上表演/歌唱/舞蹈课 
go to a cooking school 上烹饪学校
7. send （过去式sent）sb sth=send sth to sb 把某物寄/ 送给某人
  My sister sent me a bike last week.=My sister sent a bike to me last week.
  send for 派人去请
         
8. Don’t worry . 别担心  worry about=be worried about 担心…….
  He always worries about his son.= He is always worried about his son.
Section B
1. learn to do sth 学习做某事  I began to learn to play the piano when I was five..
  make the soccer team, 组建足球队，成为足球队的一员  I want to make the soccer team next year.
  get/ do lots of exercise 做大量的锻炼     We should get lots of exercise every day.
  learn another foreign language 学习第二外语（另外一门外语）
  get good grades 取得好成绩
2. make resolutions ( to do sth)下决心（做某事）  We like making resolutions on New Year’s Day. 
  keep resolutions 实现决心   I think making resolutions is easy, but keeping resolutions is hard.
3. be able to 与can
(1)be able to+do 用于一般现在时态，一般过去时态，一般将来时态，be动词和主语保持一致
I am able to speak English, but I wasn’t able to speak English when I was five, I think I will be able to learn
  another foreign language in five years.
(2)can 为情态动词，用在现在时态中，也可用在过去时态中，过去式为could
  I can speak English , but I couldn’t speak English when I was five.
4.promise
(1)n 许诺，承诺  make a promise( promises) to sb  向某人许诺
  keep a promise/promises   keep one’s promise 信守承诺
(2)v 承诺，许诺  promise to do sth 承诺做某事  promise+宾语从句 promise sb sth 向某人承诺某事
5.tidy
(1)adj 干净的，井井有条的  My room is tidy.(=clean)
(2)v  打扫，把…..清理干净    Please tidy(=clean) your room when you are free .

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