We discovered what we had learned to be valuable

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/07/13 23:34:10

We discovered what we had learned to be valuable
为什么连接词是what,什么时候连接词用what?what在这表示什么意思?宾语从句连接词后是是陈诉句吗?怎么看出什么是“表示是否”的句子
Alice said that she_to USA
A.has never gone B.had never gone c.has never been D.had never been
应选什么?选B可以吗?如不可,请说明原因.
连接词后可以是疑问句吗？

We discovered what we had learned to be valuable
这里的what 等于the thing that,在这里what引导宾语从句 .任何从句都要使用陈述语序.
这里这句话你这样看会清楚些：We discovered the things that we had learned to be valuable.
实际上是两句：We discover the things to be valuable.
The things is what we had learned.
表示“是否”的句子前都有“whether/if”提问
选D.不可以.这样解释一下,你可能会明白.
她去了美国（现在还没回来）.She has gone to the USA.
她去过美国（现在已经回来了）.She has been to the USA.
连接词后面的疑问句一定要用陈述语气,不能加上助动词!
楼主,你明白了吗?可能讲的还是不太清楚,但我尽力了,在电脑上讲语法真的不容易,希望多多少少可以帮助你理解.

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