高二英语Theampnbspenvironment教案
teaching plan for grammar and usage
teaching aims
1. help ss understand verbing form as an adjective or adverb
2. master a verb-ing as attributive, predicative, object complement ect.
teaching difficult points
1. how to use verb-ing form as an adjective or adverb
2. how to use verb-ing phrases
teaching steps;
step1 lead-in
1. the children stopped____as the teacher came in
a.talk b.to talk c.talking d.talked
2. if he can stop them ____there ,i will do it
a.go b.to go c.gone d.going
3. he is quite used _____in all sorts of weather
a.fly b.to fly c.to flying d.to flied
4. doctor bethune went on_____throughtout the night
a.work b.worked c.to work d.working
5. your shoes are dirty .they need____badly
a.wash b.washed c.to wash d.washing
step2 1.verb-ing form as an adjective or adverb
*attribute
it is a very moving film and it is well worth seeing
canada is an english-speaking country
the girl sitting in the corner is my best friend.
*predicative
your journey in kerya is really exciting
what you did was disappointing.
*object complement
we find the journey to america exciting.
i heard someone playing the violin in the next room.
注:在see hear watch feel notice等动词后,用现在分词构成的复合宾语,表示动作正在进行。而动词原形则表示动作的全过程,即动作已结束。
we saw the teacher making the experiment.
isaw the girl get into the car and drive off.
2.a verb-ing can be used after verbs like stand,sit,lie .these two action are happening at the same time.
they stood talking to each other .
they stood when they were talking to each other.
3.a verb-ing has a perfect form , eg having worked,
having worked side by side with many environmentalists,i know that a healthy environment and stable economy should be possible at the same time.
step 3. practise. p29 a and b
homework: 1. review verb-ing form as an adjective
2. finish the exercise
verb-ing phrases
teaching steps;
step 1: lead-in
1.-------full preparations, we decided to put off the meeting till next week.
a.we did not make b.having not make c we had not made d.not having made
2.european football is played in 80 countries,-------it the most popular sport in the world.
a.making b makes c made dto made
3.-------what the situation would be like ,they decided to keep silent.
a. having not know b knowing not c.not know d.not knowing
step 2 verb-ing phrases
1. verb-ing phrases can express
*time
seeing the big snake ,the girl was almost frightended to death.
=when she saw the big snake,………
*reason
being a student,i must work hard.
=because i am a student, i must work hard.
*result
the factory keeps releasing smoke,making the air dirty.
=the factory keeps releasing smoke.as a result ,the air is made dirty.
*condition
preparing fully, we can achieve great things
=if we prepare fully, we can ….
2. we can also use the pattern conjunction+verb-ing to express time.the common conjunctions are when,whenever,while,once,and until.
we have to take environmental protection into consideration when developing the economy.
3. the understood subject of a verb-ing clause is usually the same as the subject of the main clause
he travelled on the plane like this, keeping the tortoise hidden in a blanket.
=when he travelled on the plane like this , he kept the tortoise hidden in a blanket.
4. we put not before the verb-ing to create its negative form
he sat there, not knowing what to say.
step 3. practise p31
step 4 exercise:
homework: 1.review verb-ing phrases
2. finish the exercise
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