来源:网络资源 2023-07-28 15:10:18
冠词
7. The boss wants to hire an useful person.
用a还是an,取决于后面单词的第一个音标,如为元音用an,为辅音用a。useful的第一个音是辅音所以应把an改为a。类似的,我们说a European country.
8.Plane is a machine that can fly.
Plane为可数名词单数,不能单独放在句中,应在其前加冠词或把它变为复数,而本句后有a machine, 因此只能在其前面加a,变为A plane。
9.He played a piano at the party yesterday.
把a 改为the ,因为乐器前用定冠词。
10.The machine was invented in 1920s.
在in后加the,因为表示年代用in加the再加几十的复数,如在八十年代in the 80s。
11.Xiao Hong went to school by the bus every day.
去掉the,因为表示交通方式用by直接加交通工具。
代词
使用代词时请注意其单、复数,主、宾格以及形容词性物主代词和名词性物主代词的用法。
12.He is one of those speakers who make his ideas perfectly clear.
定语从句的先行词是those speakers,为复数,因此从句中的指示代词应为复数,应把his改为their。
13. Whom do you think has left the lights on?
放在疑问句特殊疑问词后的do you think / believe / guess / imagine / suppose等都不参与句子成分,把它们去掉后,疑问词在句中做主语用主格,做宾语用宾格。本句中去掉do you think后缺的是主语,应把Whom改为Who。
14.The boss pretended not to see John and I.
John和I在句中都做的宾语,应把I 改为me。
15.These books are mine; those in the bag are her.
Her是形容词性物主代词,后面应该加名词books,或把her 改为hers。
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