that从句后的时态与语序
问题描述：
that从句后的时态与语序
Don't you believe that he did see a UFO?为何不能说是Don't you believe that he saw a UFO?
答
1楼不懂别瞎说!
Don't you believe that he did see a UFO?是一个完整的、正确的句子.别被那个did迷惑,那是一个加强词,用来加强句子的语气,可以翻译为“确实”,这个句子可以翻译成：难道你不相信他确实看到了飞碟吗?因为是过去看到的,所以就用did,如果是一般的时态,就用do.例：
i do go swimming.
i do know him.