词形变化( Word Form )应试技巧

　　1.熟练掌握动词词形变化规律。注意：动词形式既包括谓语动词的各种形式，如时态、语态及语气(直陈、虚拟)等，虚拟语气为重点，几年来的考题中都有这方面内容;也包括非谓语动词的各种形式。所以做动词的词形变化时，首先要搞清楚它在句中是谓语动词还是非谓语动词，然后再作相应的变化。

　　2.认真学好并熟悉课文。本题所选用的句子是根据教材中出现的句子编写的，其中多数来自课文，所以熟悉教材十分重要。

　　3.认真钻研相关的语法讲解。主要指谓语动词、非谓语动词、形容词、副词比较等级、情态动词、虚拟语气\形容词比较级、最高级，等部分。

　　动词：动词是考试的重点。主要包括：动词的时态、语态、语气和非谓语动词。

　　1)动词的时态：重点是动词的过去时、完成时。

　　So far， Irving ______(live) in New York City for ten years. has lived

　　Many a writer of newspaper articles_______(trun) to writing novels during the past decade. has turned

　　Some people think relations between people _______(deteriorate) so much that understanding and friendship are almost impossible . have deteriorated

　　Nearly a week passed before the girl was able to explain what _______(happen) to her.

　　had happened

　　In the past two decades， research _____(expand) our knowledge about sleep and dreams . has expanded

　　2)动词的语态：主要掌握各个时态的被动式。

　　The nations that _______actively ________(involve) in earthquake prediction programs include Japan， Russia， and the United States. are involved

　　There __________(estimate) to be more than 20，000 overseas domestic servants working in Brtain in 1995. were estimated

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