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1、1,Unit 5 If you go to the party, you will have a great time.,2,If 引导的条件状语从句,3,（主现从现）,If you heat it， snow turns into water.,条件句表事实, 主句常用现在时,4,If you _ ice, it _into water. (heat/turn) 2. A balloon _ if you _ a pin into it. (burst/stick) 3. If you _ steam, it _ into water. (cool/turn) 4. Metal _ if y
2、ou _ it. (melt/heat) 5. Wood _ if you _ it into water. (float/put) 6. A glass _ if you _it. (break/drop),heat,melts,put,floats,drop,breaks,turns,bursts,turns,heat,cool,stick,5,1.主祈从现 2.主情（can，may，should，must）从现 3.主将从现 if will/wont,6,祈使句 + if条件状语从句 If条件状语从句，+ 祈使句,if条件状语从句要用一般现在时。,句型结构,时态,1.主祈从现,7,If
3、you want to get good marks,do what? Dont do what?,If you want to get good marks, _. If you want to get good marks, dont _.,study hard listen to teacher carefully. do homework by yourself.,copy your homework. talk in the class cheat in the exams,1.主祈从现,8,Complete the sentences with the correct form o
4、f the words.,1.If you _(listen) to the music, _ (buy) a CD. 2. If he_ (be) late for school, _ (not wait ) for him. 3. If you _ (buy) a new camera, _ (get) a good one. 4. If the light _ (not come) on, _ (wait) for one minute.,is,buy,get,doesnt come,wait,dont wait,listen,buy,Revision,9,If you feel hun
5、gry, you should eat something.,If you feel tired, you must have a rest.,2.主情从现,10,If you are ill, you should go to see a doctor.,If you are riding a bike in the street, you must be very careful.,2.主情从现,11,（主将从现）,If it is hot, we will go swimming.,条件句表可能,主句多用将来时；,12,Play a guessing game,What will hap
6、pen if I touch(触摸) it?,If you touch(碰） it, it will _,get angry,Will it ?,cry,dance,smile,13,If Im hungry, I will_.,If Im tired, I will_.,eat some food,have a rest,3.主将从现,14,If Im ill, _.,I will see a doctor,If Im late, _.,I will say sorry,3.主将从现,15,If it rains tomorrow, I_.,will watch TV at home,If
7、it _ tomorrow, _.,Ill play basketball,doesnt rain,I wont_.,play basketball,16,if条件句不一般, 几个要点记心间。 条件句放在前, 逗号要放句中间。 条件句表可能, 主句多用将来时； 条件句表事实, 主句常用现在时。 if条件句有特点, 现在时把将来替； 这个规则要牢记!,if条件句歌诀,17,从句,主句,，,主句,从句,（一般现在时）,（一般将来时）,（一般现在时）,（一般将来时）,主将从现,If you do it, you will be happy.,Youll be happy if you do it.,
8、18,What will you do if youre happy?,If Im happy, I will _. If Im happy, I will _. If Im happy, I will _. If Im happy, I will _.,clap my hands,stamp my feet,wink my eyes,nod my head,19,1.If it rains tomorrow, we _ visit the museum. A dont do B wont go C arent go D didnt go. 2 Will you go to the park
9、if it _ fine? A will be B was C is D / 3. If I _ too much TV, my mother will _. A watch, angry B watched, be angry C watch, be angry D will watch, be angry,B,C,C,20,4 If you _ to school late, your teacher _ angry with you. A come; are B come, will be C will come; are D will come; will be 5 If you _
10、hard, you will _ successful. A work, are B works, is C to work, be D work, be,B,D,21,用括号内所给词的正确形式填空,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.,goes,will have,stops,have,22,4.You
11、 _(not get) nervous if you _(do ) enough exercise. 5.If she _ (be) kind to me , I _(not argue) with her. 6.I want to know if he _(come) tomorrow, if he _(come), I _(give) the massage to him. 7.If you _(pay) more attention to that, he _(not get) injured.,wont get,do,is,wont argue,comes,comes,will giv
12、e,pay,wont get,23,1.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 _(
13、give) the massage to him.,goes,will have,stops,have,wont get,do,comes,will come,will give,24,If he_ (feel) well, he _ (go) to work tomorrow. If my mother _(have) time, she _ (take) me to the museum. If it _ (not rain) tomorrow, they _(go) for an outing. If they _ (be) free, they _ (play) a football
14、match. If it _ (rain), we _ (not go) out. If he _ (not work) hard, he _ (fail) in the exam. If he _(not have) time, he _ (not go) to the museum.,feels,will go,has,will take,doesnt rain,will go,are,will play,rains,wont go,doesnt work,will fail,doesnt have,wont go,If you dont leave now, you will be late for school Unless you leave now, you will be late for school.,if not,unless,26,1.You improve your handwriting/ you will lose marks in the exam If you dont improve your handwriting,Unless you
