作业帮he could hardly believe what he saw 为什么是what that
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he could hardly believe what he saw 为什么是what that
he could hardly believe what he saw 为什么是what that
he could hardly believe what he saw 为什么是what that
这句其实是这样的 he主语 could hardly believe 谓语 what he saW 宾语,这个宾语从句由HE为主语SAW为谓语WHAT为宾语所组成.这话本身就是他看见了什么what did he see OR he saw what,你用THAT不能表示他看见了“什么”的意思,
还有就是
WHAT THAT 同是定语从句时有几大情况是不可互换的,可以问老师,我不记得了==|||
what he saw 是个短语，意思是 他所看到的东西。
而用 that 时，后面需要跟一个完整的句子才行，所以 he saw 不能用在这里。 要用的话，可以写成例如下面的语句：
He could hardly believe that he saw so big a god .
他几乎不能相信他看见了那么大的一只狗。...
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what he saw 是个短语，意思是 他所看到的东西。
而用 that 时，后面需要跟一个完整的句子才行，所以 he saw 不能用在这里。 要用的话，可以写成例如下面的语句：
He could hardly believe that he saw so big a god .
他几乎不能相信他看见了那么大的一只狗。
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what这里是专指说话内容
that后面应该跟一个从句··
he could hardly believe that he saw his own son is selling drug``之类的
what he saw（他所见到的事）是一个由疑问词what 引导的宾语从句，作believe 的宾语。不能用that, that 引导宾语从句时只能用于从句是肯定句的时候。
如：He could hardly believe that he had won 5 million dollars.他简直不敢相信他中了500万美元。
i don't know where he ...
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what he saw（他所见到的事）是一个由疑问词what 引导的宾语从句，作believe 的宾语。不能用that, that 引导宾语从句时只能用于从句是肯定句的时候。
如：He could hardly believe that he had won 5 million dollars.他简直不敢相信他中了500万美元。
i don't know where he lives.(where 引导一个特殊疑问句）
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