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9 A   Unit 3  Teenage problems

Vocabulary  (P48)
1.get  (系v.) : get angry = become angry            变胖
      (实v.) : get a bus = take a bus                乘汽车
           get a high mark = achieve a high mark    获得高分
          get a lot of homework = have a lot of homework  有许多家庭作业
2. 到达（无地点）： arrive 
到达+地点：arrive in / at …= get to …= reach…
(如果地点是home, here, there , 省略介词in / at, to )
3. be busy ↗with sth.        忙于做某事
         ↘doing sth.
4. a lot of / lots of / much / busy / heavy traffic (不可数n.)  交通繁忙/堵塞
5. have problems↗with sth.       在某方面有问题
              ↘doing sth.      做某事有问题

Grammar  ( P49-53)
1. It is + adj. + to do sth.         做某事是怎么样的
= To do sth. is + adj.
= Doing sth. is + adj.          
2. tell sb. to do sth.              告诉某人去做某事       
tell sb. not to do sth.           告诉某人不要做某事
3. make sb. do sth. = sb. be made to do sth.       使某人做某事
  = let sb. do sth. = have sb. do sth.
4. see sb. do sth. = sb. be seen to do sth.         看到某人经常做某事
  see sb. doing sth. = sb. be seen doing sth.      看到某人正在做某事
  ( 类似单词：hear , notice , watch , listen to 等)
5. To tell  ( tell ) you the truth, …          告诉你事实
6. not … any more = no more             不再，再也不
= not … any longer = no longer
  (no more, no longer 放在实v.前，be后)
7. care about (doing sth.)          关心；考虑
8. turn on打开           turn off 关掉 
turn up 把声音调大    turn down 把声音调小
（代词it /them 放词组中间）
9. leave sb. alone / by oneself / on one’s own   把某人单独留下，不理会某人
10. 简单句的构成：特殊疑问词 + to do sth.
= 特殊疑问词 + sb. can do sth.
e.g. Paul knows who to talk to.
= Paul knows who he can talk to .
11. 祈使句：    v.原形开头   
否定祈使句：Don’t + do sth.
12. 感叹句：What ↗a / an + adj. + n.             +主+谓 ！
                 ↘+ adj. +n.复数 / 不可数n.   +主+谓 ！
           How + adj.↗ +the + n.     +谓 ！
                    ↘ + 代词      +谓 ！
13. have to do sth.       不得不做某事
  否定形式：don’t / doesn’t / didn’t have to do sth.    不需要做某事
          = don’t / doesn’t / didn’t need to do sth.