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1、If 引导的条件状语从句Revision_selfcheck,位置：从句可放在主句之前或之后，但是放在主句之前须有逗号隔开,eg:如果我有足够的钱，我就去环游世界,If 引导条件状语从句,定义：if “如果, 假如” 它引导的句子表示某事发生所需的条件，即“在条件下，某事才能发生”，在句子中充当状语，因此称之为条件状语从句。（ If引导的条件状语从句表示假如有从句的动作发生，就会有主句动作的发生 ）,If I have enough money, I will travel around the world =I will travel around the world if I have e
2、nough money,If条件句：条件句用于陈述语气，表示假设的情况可能发生， 其中 if 是“如果”的意思。 主句一般将来时 ，从句用一般现在时。,用法： 1. 如果主句是一般将来时，从句则用一般现在时。 If it rains（从句）， I will stay at home. Ill go with you if you dont want to go alone（从句）. 2.如果主句含有must, may, can 等情态动词，从句也要用 一般现在时。 If you drive too fast, you may have an accident. You must stop if
3、 the traffic is red. If you finish the homework， you can go home 如果你作业做完了就可以回家了。 If you want to lose weight you must/should eat less bread. 如果你想减肥，你必须少吃面包。,3. 如果主句是祈使句，从句同样要用一般现在时。 Dont go and play football if you dont finish your homework. Please call me if he comes next Sunday.,练一练： 1。如果她早点儿起床，就有时
4、间在家里吃早餐 If she_ _a little earlier, shell have time to eat breakfast at home. 2。如果你参加聚会，你将会过得很开心。 If you_ the party ,you_ _ a great time. 3。如果明天下雨，我们将不去野餐 If it _tomorrow, we _ _ for a picnic. 4。如果你经常听英文歌，你将会喜欢英语 If you often _ _English songs, you_ _English.,gets up,join will have,rains wont go,liste
5、n to will like,1.If he_ (not, do it ), I_(do) it.,2.If you _ (be) late for school ,my teacher _(be) angry.,are,will be,3 If she_ (win) the prize ,we _(be) happy.,wins,will be,4.If I _ (not,eat )so much ,I _(get) thinner.,5.If you _(tell) them, they _ (not,believe) you.,dont eat,will get,tell,wont be
6、lieve,6 I _(stay) at home,If it _( rain).,7.If it _(not,rain) ,I _( go) out.,8. we _(play) football, If it is _(sun) .,9.If she _(become) a star ,her parents _ (not,send) her away,10.He _(watch) TV ,if he _(be) free.,will stay,rains,doesnt rain,will go,will play,sunny,becomes,wont send,will watch,is
7、,doesnt do,will do,1.Im sure if he _(go) to the party, he_ (have) a great time. 2.If the rain _(stop) tonight, we will go to the cinema. 3.Ill buy a computer if I _(have) enough money. 4.You _(not get) nervous if you _(do ) enough exercise. 6.I want to know if he _(come) tomorrow, if he _(come), I _
8、(give) the massage to him.,goes,will have,stops,have,wont get,do,comes,will come,will give,I _(record) the CD for you tomorrow. Does she often _(lend) money to her brother? The snake _(not appear) if you make noise. In the final exam, I _(get) good marks.,will record,lend,wont appear,will get,2.Youm
9、ay _ (pass)theexamifyou_ (study)hard.,rains,will stay,pass,study,3. If you want to record, _(press) the red light.,press,1.If It_ (rain) tomorrow, I _(stay) at home.,Fill in the blankets with the proper form,用括号内所给词的正确形式填空,1.If the rain _(stop) tonight, we will go to the cinema. 2.Ill buy a computer
10、 if I _(have) enough money. 3.You _(not get) nervous if you _(do ) enough exercise. 4.If she _ (be) kind to me , I _(not argue) with her. 5.I want to know if he _(come) tomorrow, if he _(come), I _(give) the massage to him.,stops,have,wont get,do,is,wont argue,will come,comes,will give,If Im ill, _.
11、,I will see a doctor,Look and say,If Im late, _.,I will say sorry,If Im hungry, I will_.,If Im tired, I will_.,Look and say,eat some food,have a rest,If it rains tomorrow, I_.,will watch TV at home,If it _ tomorrow, _.,Ill play basketball,doesnt rain,I wont_.,play basketball,Self check,1. Fill in th
12、e blanks with the words in the box.,meeting, teenagers, video, experience,1. If my family travels to a new country this summer, Ill send you a letter about my _. 2. Will you watch the _ with me if youre free this weekend?,experience,video,3. If the _ stay out too late, their parents will worry about
13、 them. 4. Ill go to the _ if it ends by 5:00 p.m.,meeting, teenagers, video, experience,meeting,teenagers,A: Hi, Sally, _ you _ to the party tomorrow? B: I _ to, but I cant.,2. Complete the conversation with words in the box. Some words are used more than once.,if, are, will, fight, want, sorry, goi
14、ng,are,going,want,A: Oh! But _ you dont go to the party, you _ miss all the fun! B: I know, but I got into a _ with my parents.,if,will,fight,A: Hmm then you should just say _ to your parents. B: I guess youre right. I _ talk to them tonight.,sorry,will,1. it rains all weekend? _ _,If it rains all weekend, Ill chat with my friends online and play computer games.,3. Use your imagination! What will you do if,2. theres
