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1、9A Unit6 Grammar Using if and unlessFree TalkFree TalkWhat will you do if you are happy? If I am happy, I will If I am happy, I will show you around Hongshan Zoo.If I go to Hongshan Zoo, I will see camels.I will see camels if I go to Hongshan Zoo. What will you see if you go to Hongshan Zoo?What wil
2、l you see if you go to Hongshan Zoo?If I go to Hongshan Zoo, I will see dolphins.I will see dolphins if I go to Hongshan zoo. If I go to Hongshan Zoo, I will see bears.I will see bears if I go to Hongshan Zoo. What will you see if you go to Hongshan Zoo?If I go to Hongshan zoo, I will see elephants.
3、I will see elephants if I go to Hongshan zoo.What will you see if you go to Hongshan zoo?If I go to Hongshan Zoo, I will see giant pandas.I will see giant pandas if I go to Hongshan zoo.What will you see if you go to Hongshan Zoo?simple present tense 一般现在时一般现在时 simple future tense 一般将来时一般将来时If hunte
4、rs catch a giant panda, they will kill it for its fur.Conditional Sentences(条件状语从句）soon there will be no giant pandas in the world.If we do nothing, If-clause(从句从句) Main clause（主句）（主句）Ifclause (一般现在时）一般现在时） Main-clause(一般将来时）一般将来时）Main-clause(一般将来时）一般将来时） Ifclause (一般现在时）一般现在时） , We need a _( comma,
5、 full stop) after the if-clause when it is the first part of a sentence.Rulescomma, . 1.If I (go, will go) to the Reading Club this afternoon, I (do not have, may not have) any time to watch TV.2. If Simon (gets, will get ) home too late, he (miss, will miss) his favourite cartoon.3. If Amy (complet
6、es, will complete) all her homework quickly, she (watches, will watch) the chat show.4. If Daniel (takes, will take) part in the game show, he (wins, might win) a prize.5. If Sandy (finds, will find) a programme interesting, she (introduces, will introduce) it to us.A A2 2 : :Dad: What will a bear d
7、o if it is in danger?Millie: If a bear_, it _ people.Dad: What will a polar bear do if it is hungry?Millie: If a polar bear _, it _fish from the water. Dad: What will elephants do if they are thirsty?Millie: If elephants _, they _ till they find a river.Dad: What will tigers do if they live in the w
8、ild?Millie: Tigers _ for their own food if they _.Dad: What will tigers do if they have babies?Millie: Tigers _ as a family if they _.Dad: What will male wolves do if there is danger?Millie: Male wolves _ their families if there _.is in danger will attackis hungry will catch are thirsty will walk wi
9、ll hunt live in the wild will live have babies will protectis dangerattack catch hunt live protect walk注意：在if引导的条件状语从句中，主句也可含有情态动词或是祈使句。如If it is fine tomorrow, we can go and fly the kite.Dont miss the programme if you like music.在在if引导的条件状语从句中，无论主句用引导的条件状语从句中，无论主句用一般将来时，情态动词或是祈使句，一般将来时，情态动词或是祈使句，从句
10、均用从句均用一般现在时一般现在时。Why do I want to go to Beijing Zoo?If I _(go) to Beijing Zoo, I_(learn) a lot about animals.If I _(arrive) at noon, I _ (see) the feeding of animals.If I _(find) Monkey Hill, I _(have) fun there. If I _(have) some more time, I _ (watch) the dolphin show.If I _(watch) the animals car
11、efully, I _ (get) enough information for my report.If I _(finish) my report, I _(be) happy. Task 1Task 1 go will learn arrive will seefind will have have will watch watch will get finish will be Unless=If notTask 2Task 2We can use unless to say that somethingcan only happen or be true in a particula
12、rsituation.The situation will continue unless humansstop hunting them for their fur and bones.The situation will continue _humans_stop hunting them for their fur and bones.ifdont1.除非他打电话我，否则我就去除非他打电话我，否则我就去. I wont go _he calls me .2.不要离开房子除非我叫你离开不要离开房子除非我叫你离开.Dont leave the house _I tell you to .Do
13、nt leave the house _I _ tell you to.3. 除非你尽力了，否则你将不会实现梦想。除非你尽力了，否则你将不会实现梦想。_ you try your best, you wont realize your dream.4.你马上离开就不会迟到。你马上离开就不会迟到。 You will be late _ you leave right now.I wont go _he _calls me . ExercisesunlessunlessUnlessunlessifdoesntifdont 注意：在unless引导的条件状语从句中，主句也可含有情态动词或是祈使句。如He cannot see clearly unless he wears glasses.Dont touch the machine unless the teacher allows you to.在在unless引导的条件状语从句中，无论主引导的条件状语从句中，无论主句用一般将来时，情态动词或是祈使句，句用一般将来时，情态动词或是祈使句，从句均用从句均用一般现在时一般现在时。HomeworkHomework1. Review what we have learnt today.2. Do some exercises.
