把一个英语句子改为虚拟语气He doesn't know if he should go to see her.He ______ know if he ____ go to see her.

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把一个英语句子改为虚拟语气He doesn't know if he should go to see her.He ______ know if he ____ go to see her.

把一个英语句子改为虚拟语气He doesn't know if he should go to see her.He ______ know if he ____ go to see her.
把一个英语句子改为虚拟语气
He doesn't know if he should go to see her.
He ______ know if he ____ go to see her.

把一个英语句子改为虚拟语气He doesn't know if he should go to see her.He ______ know if he ____ go to see her.
对时态没要求吗?第一句已经是了