动词不定式to have seen怎么替换?
是将have换成be还是being,或者干脆换成that they have seen?整句是这样,They claim to have seen monsters in the sea.我需要解释怎么换,为什么.
人气：150 ℃ 时间：2019-10-27 07:24:01
解答
claim做及物动词,只有如下两种用法
claim sth.
claim+that从句
没有claim to do的用法
所以应换成that they have seen
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