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1、,Whats the weather like in spring?,It is warm in spring.,It is a good season for hiking.,spring,We can go hiking.,- March to May,It is hot in summer.,I like swimming in the river.,summer,- from June to August,We can go swimming.,It is cool in fall.,We can climb mountains with our friends.,fall,From
2、September to November,It is cold in winter.,We can make a snowman in winter.,winter,- December to February,It is warm in spring.,It is a good season for hiking.,It is hot in summer.,I like swimming in the river.,It is cool in fall. We can climb mountains with our friends.,It is cold in winter. We ca
3、n make a snowman in winter.,(1),(2),(3),(4),Look,listen and number the pictures you hear.,Answer the questions:,1.Whats the weather like in spring ?,Its warm .,/summer,/hot,/ fall,/cool,/winter,/cold,What can we do in spring ?,We can go hiking,/ summer,/go swimming,/fall,/climb mountains,/winter,/ma
4、ke a snowman.,Make sentences with the words and phrases,1.spring-warm-go hiking,2.summer-hot-go swimming,3.fall-coolclimb mountains,4.wintercoldmake a snowman,Q,Listen, read and say Zhou Weilun:Which season is the warmest in the year,Maria? Maria: Its summer. Zhou Weilun:Whats the weather like in su
5、mmer? Maria: It often rains. Sometimes it rains quite heavily. Zhou Weilun:Do you like summer? Maria: Yes,but I like spring better.,3a,介词一般用在名词、名词词组或者相当于名词词组的结构前，构成介词短语。 介词短语可以在句中作定语，状语，表语和宾语补足语。,一、介词的功能,The boy over there is Johns brother. The girl will be back in two hours. Our English teacher is
6、from Australia. He left his pen on the desk at home.,定语,状语,表语,宾语补足语,二、介词的分类,表示时间的介词表示地点的介词位移介词其他介词,at, in, on, after, before, during, over, from, for, since, until, by etc.,in, on, to, over, above, between, blow, under, etc.,as/ like (表比较), for(表原因或目的), to/ with/ without (表结果), by/ in/ with(表手段或方式),
7、 of/ with(表所属), except(表除去), about/ on (表关于),past, across, through, etc.,时间介词辨析1 (in, on, at),at : 钟点, 饭时, 正午/午夜 , 年龄, 节日 at six oclock, at lunchtime, at noon, at the age of 15at Christmas 但 on Christmas Day on: 1)星期几,具体日期,具体某一天的某个时候 on Sunday, on 10th November, on Saturday morningon the evening of
8、May 1st on a cold winter day in: 1)一天当中的某个时候,月，季，年in the morning, in June, in Autumn, in 1990,三、易混淆的介词,I often get up early _ the morning, but _ Sunday morning, I get up late.My father likes telling us something about his work _ supper.,in,on,at,1.He came back _ half an hour. 2.Lucy will go out _ ha
9、lf an hour. 3.They will visit her _ Friday. 4.Our teacher will be back three months _. 5. Frank, when will the short meeting begin?-You should come _ 2:30. If you come 10 minutes _ that time, the meeting will be over.,时间介词辨析4(in, after, later),after,in,after,later,in + 一段时间（用于一般将来时） after + 一段时间（用于一
10、般过去时） after + 点时间（常用于一般将来时） 一段时间+ later,at,after,fall,winter,spring,summer,SectionB,条件状语从句,SectionC,概念,在复合句中，由从句表示的状语叫做状语从句。由连接词if或unless引导的状语从句叫做条件状语从句。,考点：,(1)引导词：if,unless. (2)主句为将来时，从句用一般现在时代替。 (3)if.not与unless及or的同义句转换。,1.语法引导条件状语从句最常用的连词是if,由if引导的条件状语从句表示在某种条件下某事很可能发生。如:,如果你考试不及格,你会让他失望的。,2.un
11、less conj. 除非,若不,除非在的时候,如果你不早点动身,你就不能及时赶到那儿。,You will fail to arrive there in time unless you start earlier.,3.有些句子,虽没有含条件关系的连词,却也隐含着条件关系,这些句子常用一些词,如but for, without等引出一个介词结构来表示条件,条件常常是虚拟的,或与事实相反的假设。,如: but for若非,要不是,要不是下雨,我们的旅行肯定会很愉快。,Exercise,1.Hurry up or youll be late for school. _you _hurry up
12、youll be late for school. _you hurry up ,youll be late for school.2.Ill do my homework when my mother comes back. I_ do my homework _my mothercomes back.,Unless,1) He _ wait until the rain _ A. wont; will stop B. wont; stop C. will; stops D. will; will stop,选择题,C,2) He will go to the Great Wall if i
13、t _ tomorrow A. wont rain B. doesnt rain C. dont rain D. isnt raining 3) _ you eat old food, you may be ill.A. Before B. Why C. If D. Which,B,C,wear,put on,be in,dress,Dress 表穿的动作，也表示打扮，后面常接人。The child can dress himself 这孩子能自己穿衣服了。,Wear 表示穿的状语，常表示习惯性的穿着，如：We wear sunglasses in summer.我们在夏天常戴太阳镜，后接从头
14、上到脚底的所有衣服，饰品，如手表，头发，眼镜等。也用成词组：be wearing接衣服，表示正穿着啥衣服，如： Do you know the boy who is wearing a blue coat.,put on/ / in put on “穿上，戴上” in (prep.)，表“穿着”E.g. Its cold outside, put on your coat.He puts on his hat and goes out. The woman in a white blouse is Johns mother.,强调动作 接服装、鞋帽的名词,强调状态 做定语、标语和状语,sectionC 2,arrive,reach,get to,区别：都表示到达，但是arrive是不及物动词，接地名的时候要加at之类的介词， 如 I arrive at Beijing yesterday.我昨天到北京。,reach是及物动词，直接接地名，如上例为I reached Beijing yesterday. get to也是直接接地名。,arrive不及物，没有at的时候不可以接名词，但是可以接介词和副词（when、where之类的是表示状态的副词）； 而reach后要么不接，要么就只能接名词； get to后都要直接接地名。,
