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Compare the following sentences: 1.a.It has not much taste. b.The bread tastes delicious. 2.a.They had a quarrel yesterday. b.They quarrelled for half an hour last night. 3.a.I’ve got an interview with National Chemicals. b.We interviewed 20 people for the job. S9:In each group of the sentences,the words underlined belong to the different part of speech.The word in the first sentence is a noun while the other is a verb. T:That’s right.This method of word formation,Conversion,is to use a form that represents one part of speech as another part of speech without changing the form of the word.The process of creating new words without adding any affixes is also called zero-derivation.Can you give some more examples? S10:have a rest (n.)→rest (v.);catch hold (n.) of→hold (v.) etc. T:You’ve done well.As you know,this method are widely used in English.I’m sure everyone of you is familiar with it.But you should pay special attention to the word stress,such as record /rI′kC:d/ v. /′rekC:d/ n.;present /pri:′zent/ v.,/′preznt/ n. etc.Can you say some more words? S11:export /eks′pC:t,Iks′pC:t/ vt. /′ekspC:t/ n.;Import /Im′pC:t/ v. /′ImpC:t/ n.;permIt /pE (:)′mIt/ v. /′pE:mIt/ n. etc. (责任编辑：admin) |