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高二英语Theenvironment教案

来源:尚佳旅游分享网

  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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