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牛津实用英语语法:312 could用于间接引语

发布时间:2016-02-29  编辑:查字典英语网小编

  A could表示能力

  1 could表示目前的能力时在间接引语中保持不变:

  I cant/couldnt stand on my head,he said.

  他说:我不能做三点倒立。相当于:

  He said he couldnt stand on his head.

  他说他不能做三点倒立。

  2 could表示将来的能力时,在间接引语中可以保持不变,或由would be able结构来转述:

  He said,I could do it tomorrow.

  他说:我明天能做这事。相当于:

  He said he could do it/would be able to do it the next day.

  他说他第二天能做这事。

  3 条件句类型2中,主句中的could与A2中的变化相同:

  If I had the tools I could mend it,he said.

  他说:如果我有工具的话,我就能修补它。相当于:

  He said that if he had the tools he could/would be able to mend it.

  他说如果他有工具的话,他就能修补它。

  would be able在这里暗指所假设的情况有可能实现(可能他可以借到工具。)

  4 条件句类型3中,could被转述时保持不变。

  5 could表示过去的能力时,在间接引语里保持不变,或用had been able结构转述:

  I could read when I was three!she boasted.

  她吹嘘说:我三岁时就能看书了!相当于:

  She boasted that she could/had been able to read when she was three.

  她吹嘘说她三岁时就能看书了。

  B could表示允许

  1 条件句类型2中的could在间接引语中可保持不变,或由would be allowed to转述:

  If I paid my fine I could walk out of prison today,he said.

  他说:如果我交了罚款,我今天就能走出牢门了。相当于:

  He said that if he paid his fine he could/would be allowed to walk

  他说如果他交了罚款他会被允许走

  2 表示过去时态的could在间接引语中可保持不变,或用 was/were allowed to或had been allowed to结构来转述:

  He said,When I was a boy I could stay up as long as I liked.

  他说:我小时候,我可以想呆到多晚睡觉就呆到多晚。相当于:

  He said that when he was a boy he could/was allowed to stay up./He said that as a boy he was/had been allowed etc.

  他说他小时候,可以/被允许爱呆到多晚睡觉就呆到多晚。

  

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