高二英語 Unit 9 Saving the Earth教學設計
ss : yes.t: next, look at the last two sentences, to avoid repetition,“as” and “ nor” are placed at the beginning of the sentences which say that people(or thing or situation) are the same as others that have been mentioned. in this case, the structure “as/nor+ auxiliary/modal/do(does, did) + subject” should be used. besides,“neither” and “so” can be used like “nor”and “as”. is that clear?(bb: as/so; neither/nor + aux./mod. / do( does. did) + subject )t: ok. now，let's change them into the usual word order sentences. ss: it is a special sentence pattern like“ there be” structure. “exist” can only come after “there”.t: yes. sit down, please. then the next sentence.
ss: china's then premier zhu rongji was among the speakers, who stressed the need for equality and fairness in the world.
s3: we will not be able to improve the situation until we know more.
s4: we can save the earth only by changing the way we live.
s5: if i had known that air conditioners cause so much pollution, i would never
have bought one.
s6: a better understanding of the environment is necessary, and the willingness to act is necessary, too.
s7: without international cooperation, developing countries can't prosper. sustainable development will not be possible either.
step 5 grammar practice
t: well, now please turn to page 70. look at the first part ,grammar: rewrite the following sentences, beginning with the underlined part. first study the example, and then complete each sentence below. a few minutes later, i'll check your work. begin now.
t: all right. now let's come to the second part. complete the following sentences
using the words in the box: so, neither, nor, as.
suggested answers:
1. so/as have 2. neither/nor should 3. so/as do 4. so/as am 5. neither/nor do
6. so/as is 7. neither/nor 8. neither/nor can 9. so/as can
t: from these sentences, we know the verb-form after “so, neither, nor, as”should be the same as the verb-form after the first subject. the person and number should agree with its own subject.
step 6 homework
workbook exercises 1,2
the design of the writing on the blackboard
grammar: inversion
1. there exist/be...
2. not/never/seldom...
3. only + adverbial…
4.…so, neither, nor, as+ v +s