外研社 必修四 Module 3 Grammar概要1.ppt

外研版 高一年级(必修4) Module 3;when we meet your friends, we should shake hands with them in respect. Where there is a will, there is a way. Go back to the village where you come. If I tell you the truth,you need keep cool. I am stil here, for I want hear your explanation by yourself. Although he grows up an adult, he is still naught like a little boy. She is so beautiful that everyone is attracted. ;Grammar 1 ; Adverbial Clauses 状语从句在句中起状语的作用，状语从句可分为时间转语从句、地点状语从句、原因状语从句、条件状语从句、目的状语从句、结果状语从句、结果状语从句、让步状语从句等等。;;2.when引导的条件状语从句相当于if引导的条件状语从句. When there is no gravity, our feet can no longer stay on the ground. 如果没有重力,我们的脚就不能够在地面上站稳。 Turn off the switch when anything goes wrong with the machine. 如果机器发生故障,就把电闸关上。 ;3、unless,表示在特定条件下,才决定做或不做一件事。在英语中我,们可以用unless（除非，否则）表达这个意思,相当于if not。 = the concert will be held as schedule if there is not a typhoon b.Unless you want to see me, I will keep far away from you. =If you dont want to see me, I will keep far away from you. ;She will keep on singing unless she is told to stop. = she will keep on singing if she is not told to stop. you will be late for school unless you get up half an hour earlier. =you will be late for school if you dont get up half an hour earlier. ; 4.引导条件状语从句的连词有：suppose(倘使，倘若），as long as, so long as（只要.....就......) a.Suppose you are a scientist,what will you do to do with the situation? b.As long as you put your mind in studying, you will make a difference. c.Suppose it rains, shall we continue the sports meeting? d.So long as you promise to come, I’ll wait for you until you come.;注意：在条件状语从句中, 用一般现在时代替一般将来时;1.?If you ____ a cake, your host ______ very pleased. (take, be) 2.?Unless the weather ____ better, I _______ at home. (get, stay) 3.?He _______ home early if he __________ well. (go, not feel);4.?What ____ I __ if they ____ about politics? (do, talk) 5.?If you _____ your hand, the taxi _________. (raise, stop) 6. I __________ anything unless he ____ me. (not say, ask);Grammar 2 Adverbial