If only I could have helped put matters right.

要是我当时能帮着把错误纠正过来就好了。

《牛津词典》

He wished he could have helped her more than he did.

他希望自己当时能更多地帮帮她。

《柯林斯英汉双解大词典》

If you had told me, I could have helped.

如果你告诉我，我就能帮上忙了。

youdao

You could have gotten a little training that might have helped you be more accurate.

你们可能会得到一些培训,这个也许会帮助你们做得更精确

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She wondered aloud if the Quest method could have helped her solve the problem.

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If HRT had been around when they were younger, it could have helped them.

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The offense was a bit out of sync, too, and Hinrich could have helped in both areas.

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