By reading the directions carefully,some mistakes in the examination could have been avoidedBy reading错了怎么改
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By reading the directions carefully,some mistakes in the examination could have been avoidedBy reading错了怎么改
By reading the directions carefully,some mistakes in the examination could have been avoided
By reading错了怎么改
By reading the directions carefully,some mistakes in the examination could have been avoidedBy reading错了怎么改
不能作祈使句,否则逗号后应加and,也不能去by,因为现在分词的逻辑主语必须与句子主语保持一致.可使用独立主格结构,把by换成其他合适主语如User(s),You,I等.
去掉by,分词直接引导条件状语从句。
就用READ动词原形,作为祈使句。
因为如果用分词或是 介词短语 必须要求 人称和主语一致 又因为后面主句 是用的是表示过去的事情没有完成或实现 “本可以…………” 所以 应改为IF 条件句 对过去的事情 的假设
If you read the directions carefully,some mistakes in the exam could have been avoided....
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因为如果用分词或是 介词短语 必须要求 人称和主语一致 又因为后面主句 是用的是表示过去的事情没有完成或实现 “本可以…………” 所以 应改为IF 条件句 对过去的事情 的假设
If you read the directions carefully,some mistakes in the exam could have been avoided.
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If you had read the directions carefully and some mistakes in the examination could have been avoided.
本句是虚拟语气, 对过去的事情的假设。
句式为: if + sb.+ had + done(从句),
sb. + could/would + have + done(主句).