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(3)though,although引导的从句不能与but,however连用，但可与yet,still连用。不能说：Though he was old,but he worked hard.应把but去掉。当然，保留but而去掉though也可以。 (4)though引导的从句，可用倒装语序，即把从句中的表语或状语等放到though之前;although不能这样用。如： Young though she is,yet she is fit for the job. (=Young as she is,yet she is fit for the job.) 尽管她很年轻，可她能胜任这项工作。 (5)though从句的主谓若是系表结构时，可以省略从句主语和be动词。如： Though alone,he is happy. 尽管独自一人，但他很快乐。 注意：Though loving him,I cannot help him.是错句。因为从句不是be构成的系表结构作谓语。应改为：Though I love him,I cannot help him.或Though fond of him,I cannot help him. (6)though还可与别的词结合使用，如even though,as though等;although则无这种搭配功能。如： I’ll go and help them even though I stop my work. 即使我停下自己的活不干，我也要去帮助他们。 (7)though还可作并列连词，相当于and yet(然而，可是)，它引导的分句常对另一分句起补充说明的作用;although则无此种用法。如： I wouldn’t like to go to the evening,though they will invite me to. 我不想去参加晚会，可是他们要请我去。 (8)though可作副词，放在句尾。although不可这样。如： He said he would come,he didn’t,though. 他说要来却没来。 (9)in spite of后跟名词，不跟句子。如： We went out in spite of the rain. 〔=We went out (al)though it was raining.〕 Ⅳ.能力训练 1.单句改错 (1)He spent the whole night on watching TV. 答案：应将on改为in。因为spend time on sth./in doing sth.为固定搭配。 (2)You should protect yourself of getting burnt. 答案：应将of改为from或against。因为“protect…from”的意思为“保护……免受 损害”。 (3)Straw can be used to making paper. 答案：应将making改为make。因为be used to doing sth.是“习惯于做某事”之意，be used to do sth.才是“被用来做某事”。 (4)I saw him walk through the square. 答案：应将through改为across。因为through侧重于动作是在某一物体的空间里进行的，与in有关，而across则侧重于动作在某一物体的表面进行，与on有关。 (5)He broke the rule,so he couldn’t escape from punishing. 答案：应将punishing改为being punished。因为根据句意：他违犯了法规，因此，不能逃脱被惩罚。所以要用v.-ing的被动语态，即being done。 (6)He went there in search for the lost boy. 答案：应将for改为of。因为in search of是一个固定短语，为“寻找”之意。 (7)He entered into the classroom as soon as the bell rang. 答案：应将into去掉。因为enter为及物动词，可以直接接宾语，表示“进入”之意。 (8)I doubt that the news is true. 答案：应将that改为if/whether。因为在肯定句中doubt接if/whether从句;在否定句中接that从句。 2.句型转换，变为同义句 (1)He makes a living by teaching. He ______ ______ ______ by teaching. 答案：earns his living (责任编辑：admin) |