Unit 1 How often do you exercise?
Grammar: 特殊疑问句：wh-questions: what, who, where, when, which, whose, why, whom等。
1) Who:谁。做主语，用来指人 Who is the boy under the tree?
2）Whom 谁，做宾语，用来指人 Whom are you writing to?
3) Whose 谁的，用来指所属关系，如果做定语，一般后接名词 Whose pen is this?
4) Which 哪个，哪些，用来指对人或物在一定范围之内进行选择 Which girls will be in the sports meeting?
Which pen is Lily’s?
5)What什么，通常指物，也可指人，一般用在没有指出范围的情况下 What can you see in the picture? What are you doing now?
1)When:何时，询问时间 When will she come back?
2)Where何地，询问地点， Where do you come from?
3)Why为什么，询问原因， Why are you late for school?
How do you usually go to school?
5)How old多大，询问年龄，How old is Jim’s little brother?
How many birds are there in the tree?
How far is it form your home to school?
How long will you stay in Beijing?
How often do you go to see your grandparents?
10How soon多久，询问时间 How soon will you come back?
频率副词：表示动作发生的频率，never, hardly ever,sometimes, often, usually, always.
Unit 2 What’s the matter with you?
1. 用have 来描述身体不适 have/have got a +疾病名字；得了……病
2.情态动词should,情态动词should,can, may, must没有人称和时态的变化，后接动词原形.
Unit 3 What are you doing for vacation?
表示将要做某事或计划打算做某事要用到句型“be+doing”其中be是助动词，它有人称和单复数的变化。Be: am, is, are. be + v.ing是现在进行时的形式，但用于表示将来。用进行时表将来，常用于表示即将来临的未来预定要做的事情，一般指个人计划要做的事。用于此情况的动词一般是表示位置转移的动词，如，go, come, leave, start, arrive, move等。
I am going shopping this afternoon.
二．否定句是在be之后加not. I’m not going to shopping this afternoon.
三．一般疑问句是将be置于句首 Are you going shopping this afternoon?—Yes, I am/ we are. No, I’m not./ We aren’t.
What are you doing for vacation?
When is he going camping?
Who are you going there with?
Where is she going?
Unit 4 How do you get to school?
Grammar: How引导的特殊疑问句：是指以How, how far, how long, how old,how many, how much等词开头的疑问句。
How does he get to shool?---- He takes the train to get to shool.
How long does it take to walk? ----It tat 35 minutes to walk.
How far is it from your home to school? It’s four miles from my home to school.
How old is he now? She is twelve years old now.
How many storybooks do you have? I have five storybooks.
How much is this coat? This coat is 200 yuan.
特殊疑问句的简略结构：how about…?+ 名词或动词-ing形式，用于提出建议、请求或征求意见、询问消息等。如：How about playing tennis?
乘坐交通工具的表达方式：by subway/train/bike..., on foot ...
I usually take the bus to school./I usually go to school by bus(on/in the bus).
My father sometimes rides his bike to work./My father sometimes goes to work by bike(on his bike).
My grandmother always walks to the supermarket./My grandmother always goes to the