现在完成时的结构：have / has +动词的过去分词,即（ has helped 是现在完成时结构）
又如
He has finished his homework.
He has worked for ten years.
They have learned English for three yreas .
The teacher has helped me solve the problem.这句话中help为什么要加ed?
4个回答
相关问题
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-Can you help me solve the problem?
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thinks___our teacher,we couldnt solve the problem___her help
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Sally solved the problem by asking the teacher for help.(对by
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we could not solve the problem unless the teacher helped us的
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my teacher helps me work out the problem的同义句
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Has the problem been solved ? Is the problem solved ? 这两句有什么
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Let me help the old man.为什么要用me help
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The teacher asked Lucy________ .(Help me!)
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Let me ____________ the teacher to help&
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Being with him helped中的help为什么加ed?