高二英語新教材unit15 教案Unit 15 Teaching Plan for Warming up

ss: yes.
suggested answers:
1 .altitude   2.avenue   3.reminds 4.feast     5.dip
t: well done. next, let’s do exercise 2.read and understand the following passage carefully to see if there is a mistake in each line. if there is, find it and correct it. you can begin now. five minutes later, i’ll check your answers.
suggested answers:
1.bring→brought
2.construction→constructions
3.it’s→its
4.√
5.returns→returned
6.visit→visitors
7.much→many
8.√
step ⅲ revision of grammar
t: ok. so much for word study. let’s revise the grammar—non-finite verbs. look at the sentences on the screen.
(teacher shows the following on the screen.)
to do
1. the first thing would be to decide where to go.
2. the most important thing would be for you to decide where to go.
-ing
1. every now and then we get the itch for travelling.
2. kitzbuhel has the most challenging and exciting downhill slopes for skiers in the world.
3. few visitors leave rio feeling disappointed.
-ed
1. amazed by the beautiful scenery at copacabana beach, he decided to come again next year.
2. known as carnival, the festival attracts visitors from all over the world.
study the sentences and tell the functions of the non-finite verbs wang xia, try the first pair of sentences.
s1:“to do” is used as predicative in both of them.
t: you are right. sit down,please. are there any other function of “to do”?and what functions?
ss: yes. subject, object, object complement, attribute and adverbial.
t: quite right. yang xia, what about “-ing”?
s2:in these three sentences,“-ing” is separately used as object, attribute and adverbial.
t: do you agree with her? and do you know some other functions?
ss: yes. subject, predicative and object complement.
t: very good. shi hui, the last pair.
s3:“-ed”is used as adverbial in both sentences. besides, it can be used as predicative ,object complement and attribute.
t: well done. sit down, please.
step ⅳ practice
t: next, let’s do some exercises. look at the sentences on the screen and point out the function of the“-ing”form in each sentence.
(teacher shows the following on the screen and deals with the exercise orally with the whole class.)
point out the function of the -ing form in each sentence.
1. doing nothing is doing ill.
2. be careful! the falling stones might hit you.
3. when you hang wet clothes near a fire, you will see steam coming from them.
4. not knowing much english, i found it hard to understand them.
5. while walking along the shore, we saw that the water was very dirty.