热点六:系动词
[热点透视] 系动词的基本用法;get+p.p。
[难点剖析] ①系动词后跟形容词或名词作表语,不用被动语态,无进行时。become后跟名词作表语时,若名词不表职位则保留冠词;turn后不接冠词。 ②seem\look\appear的区别;
③continue\stay\last\keep\remain既可作动词又可作系动词,注意各自不同用法。
表一
单词 意义区别 用法区别 相同点
appear 外表给人的印象,暗含事实并非如此 There appears to be; It appears that;Sb appears to do 后跟to be;均可跟as if\like
seem 判断有一定依据,接近事实 There seems to be; It seems that;Sb seems to do
look 视觉给人的印象 Sb looks to be
表二
单词 特殊用法
last 表“够用,足够维持”讲,用作系动词。如:The water supply should last another two days.作“延续、持续”讲,后常接adv.\prep. 如:The hot weather will last for three days.;lasting
continue 延伸How far does the road continue? ;continue to do\doing; 继续走、接着说We continued along the road for some time.;continued继续地、连续地
remain 别人离开后继续留在某地(指人或物);It remains to be done有待于;It only remains for me to say\thank 我最后想说﹨感谢;remaining 剩余的;保存,留存Few of his works remain.
stay 人临时性地留在某地,过访或做客;stay to diner\for lunch;stay home
keep 经营; 赡养,饲养,照顾;keep doing ;保鲜、食物不坏Eat the fish because it won’t keep till tomorrow.;庆祝,过(节日等)keep Christmas
[考题盘点]
20. (03-30)Why don’t you put the meat in the fridge? It will _____fresh for several days.
A. be stayed B. stay
C. be staying D. have stayed
系动词不用于被动语态,故选B。
21. (04-28)Sarah, hurry up. I’m afraid you won’t have time to _____before the party.
A. get changed B. get change
C. get changing D. get to change
此题考查get +p.p 的用法。此结构既可表被动又可表状态,故选A。
[备考策略] ①掌握常见系动词的基本用法,如:come true, go bad, fall ill, grow rich等;
②联系记忆turn \come out to be以及promise(表预示),make(表变为,证明为,如:If you train hard, you will make a good teacher.);consider\think\believe\suppose\etc.+ to be ,尤其是上述动词用于被动语态中,务必注意to 后时态和语态。
例 The flu is believed to be caused by viruses that like to reproduce in the cells inside the human nose and throat.
[过关训练]
22. (鄂04-30) On hearing the news of the accident in the coal mine, she _____pale.
A. got B. changed
C. went D. appeared
23. (沪04-34) The flowers _____sweet in the botanic garden attract the visitors to the beauty of nature.
A. to smell B. smelling
C. smelt D. to be smelt
Key C B