16-A polite request 彬彬有礼的请求

单词讲解

• 1、park v.停车 n.公园

Don't park your car here.  不要把车停在那儿
"No Parking" ares 禁停区域

• 2、traffic n.交通

traffic police 交通警告
traffic lights 红绿灯
traffic accidents 交通事故
traffic jam / block 交通堵塞
data traffic 信息传输

• 3、ticket n.票

• 4、sign n.指示牌

• 5、reminder n.提示 （物）

Rings are reminders of love.
戒指是爱情的象征。

remind v.提醒
remind sb. to do sth. 提醒某人做某事

I remind my mother to the lock door
我提醒我妈妈去锁门

remind sb. of sth.  使某人想起某事

It reminds me of my best friend.
它让我想到了我最好的朋友。

• 6、fail v.失败，无视、忘记

fail in the exam 考试不及格

fail to do sth.  没能做到某事

She failed to keep her word.
她没有遵守她的诺言

• 7、obey v.服从，遵守

课文&语法讲解

1、语法

1、if真实条件句

a、假设将来

两个句子在一起。
并列 and
因果 because so
条件 if

1、
  if + 句子A， 句子B.
  如果A，那么就B

2、if 条件状语从句  主句 

3、if 条件状语从句分两种
  a、真实条件句  （假设的事能够成真的）
         如果明天下雨....

  b、非真实条件句（虚拟语气）
         如果我是你，我会怎么做...
         如果我是个树....

if真实条件状语从句
例句：
          1、If tall chimneys were built above sea level, the tunnel would be well-ventilated. (假设过去)
                如果在海平面以上建造高大的烟囱，隧道就会通风良好。
                条件状语从句如果是过去式，那么主句也是过去将来时

         2、If she is sleeping, I will call her later/(假设现在)    
                如果她睡着了，我就给她打电话
                条件状语从句如果是现在（各种时态）时，那么主句也是一般将来时

        3、If it rains tomorrow, we will  be stay at home. (假设将来)
               假如明天下雨了，我准备呆在家里
               假设将来，条件状语从句，必须是一般现在时

练习：假设将来

1、I shall see him, if he  `is`(be) here next week.

2、If he `plays`(play) well, he will get into the school team.

3、I they `have`(have) time the day after tomorrow, they `will fly`(fly) to London to have a meeting with us.

4、If you `make`(make) a mistake, correct it.

5、If you `like`(like) him, you may tell him.

6、If she `enjoys`(enjoy) concerts, why doesn't she come with us?

2、课文

• 1、If you park your car in the wrong place, a traffic policeman willsoon find it.

主将从现

• 2、 You will be very lucky if he lets you go without a ticket.

主将从现

• 3、Traffic police are sometimes very polite.

Traffic police 泛指所有人

• 4、If you receive a request like this, you cannot fail to obey it!.

fail to 否的词，没有做到