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9A Unit1 GrammerB幻灯片
正误辨析 1.[误] Both my parents are not here. They went to the concert just now. [正] Neither of my parents is here. They went to the concert just now. [析] 在英语中both一般用于肯定句中,如用于否定句中,其意义也不同于汉语,如:Both of us are not right. 在英语中应被理解为我们俩不都对。而Neither of us is right。 才能被理解为我们俩无一正确。 2.[误] He or his parents has some tickets for the film. [正] He or his parents have some tickets for the film. [析] 由or 连接两主语时,谓语动词应与相临近的那一个主语保持一致。 3.[误] You should study hard, and you wont pass the exam. [正] You should study hard, or you wont pass the exam. [析] or作为连词,这里的意思为否则。又如:Hurry up, or youll be late for school. 4.[误] Though he is poor, but he is ready to help others. [正] Though he is poor, he is ready to help others. [正] He is poor, but he is ready to help others. [析] 虽然……但是是中文中的常用结构,但在英文中用了虽然则不要用但是,用了但是则不能再用虽然,二者只可用其一。 正误辨析 5.[误] Either you or I are on duty. [正] Either you or I am on duty. [析] either…or 连接两个主语时,其谓语动词与相临近的一个主语相呼应,这也叫作就近原则。类似的用法还有or, neither… nor, not only…but also等。 6.[误] Tom is our English teacher and teaching English in our school now. [正]Tom is our English teacher and is teaching English in our school now. [析] 并列句中常常在后面的句子中作一些省略,以免重复,但不是所有词都可作任意的省略的。当你连接的是两个系动词时,后面的那个系动词不可省略,也就是讲连接的部分不可省略。 7.[误] My father likes swimming and to collect stamps. [正] My father likes swimming and collecting stamps. [析] 由并列连词连接的两个部分要保持相等的语法结构。如是动名词则都用动名词,如用不定式则都应用不定式,这是初学者要注意的一点。 正误辨析 8.[误] We will go both to Beijing and Shanghai. [正] We will go to both Beijing and Shanghai. [析] 用both…and…作连接词时,其相连接的部分结构也要相同。 9.[误] Not only Mary but also her brothers is going to dance. [正] Not only Mary but also her brothers are going to dance. [析] 由not only… but also…连接两个主语时,其重点在其后面的那一个主语,所以谓语形式应采用就近原则。 10.[误] Tom does not swim nor play football. [正] Tom does not swim or play football. [析] nor主要用于连接句子的对等连词,如在否定句中连接某一部分时要用or, 但要注意句子的含意,如:This animal does not like a cow or a horse. 这个动物既不像牛也不像马。This animal does not l
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