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      12. 動(dòng)詞的語(yǔ)態(tài)
      ?
         語(yǔ)態(tài)有兩種:主動(dòng)語(yǔ)態(tài)和被動(dòng)語(yǔ)態(tài)。
         主語(yǔ)是動(dòng)作的發(fā)出者為主動(dòng)語(yǔ)態(tài);主語(yǔ)是動(dòng)作的接受者為被動(dòng)語(yǔ)態(tài)。
        1)若賓語(yǔ)補(bǔ)足語(yǔ)是不帶to 的不定式,變?yōu)楸粍?dòng)語(yǔ)態(tài) 時(shí),該不定式前要加 "to"。此類動(dòng)詞為感官動(dòng)詞。
      feel, hear, help, listen to, look at, make, observe, see, notice, watch


         The teacher made me go out of the classroom.
      --> I was made to go out of the classroom (by the teacher).
         We saw him play football on the playground.
      --> He was seen to play football on the playground.


        2)情態(tài)動(dòng)詞+ be +過(guò)去分詞,構(gòu)成被動(dòng)語(yǔ)態(tài)。
         Coal can be used to produce electricity for agriculture and industry.













       學(xué)習(xí)啦--英語(yǔ)語(yǔ)法大全