高二英語 Unit 14 Freedom fighters教學設計

teaching aims:1. summarize and review the different forms of the passive voice in the present indefinite, the past indefinite, the future indefinite and the present perfect.2. help the students master how to turn the active voice into the passive voice.3. make sure the students know how to change sentences with modal verbs into the passive voice.teaching important point:help the students to use the passive voice in the future indefinite and the present perfect correctly.teaching difficult point:how do we make the students know how to change the verbal phrases from the active voice into the passive voice correctly.teaching methods:review, explanation, inductive methodsteaching aids:1. the multimedia2. the blackboardteaching procedures:step ⅰ greetingsgreet the whole class as usual.step ⅱ revisiont: we’ve learnt the passive voice before. now, look at the screen, please.(show the following sentences on the multimedia.)turn the following into the passive voice:1. he washes his clothes every week.2. i repaired my bike yesterday.3. we shall discuss the question at our next meeting.4. they have done everything to make the work easier.5. the driver is repairing the car.6. you must keep the book clean.t: please change these sentences into the passive voice. after you finish, you may check your answers with the deskmate.(students prepare for a moment and then check their answers in pairs. finally, the teacher asks some students to write their sentences on the blackboard.)suggested answers:1. his clothes are washed every week.2. my bike was repaired yesterday.3. the question will be discussed at our next meeting.4. everything has been done to make the work easier.5. the car is being repaired(by the driver).6. the book must be kept clean.t: good. now, read each sentence carefully and underline the predicate in it.(ask some students to underline the predicate in each sentence.)suggested answers:1. are washed2. was repaired3. will be discussed4. has been done5. is being repaired6. must be keptt: well done! look at the underlined parts. what can you find?ss: they’re all in different forms.t: you’re quite careful. they’re in different forms. in the first sentence we use the passive voice in the present indefinite. in the second sentence we use the passive voice in the past indefinite. the third, the passive voice in the future indefinite. the fourth is the passive voice in the present perfect. the fifth is the passive voice in the present continuous. the last one is the passive voice with a modal verb. are you clear?