be prone to 的to 是作介词还是不定式?例句中有be prone to illness 也有be prone to eat junk food就是说既有be prone to do sth.也有be prone to n.那to到底是作什么?如果说be prone to doing 是正确的吗?

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be prone to 的to 是作介词还是不定式?例句中有be prone to illness 也有be prone to eat junk food就是说既有be prone to do sth.也有be prone to n.那to到底是作什么?如果说be prone to doing 是正确的吗?
be prone to 的to 是作介词还是不定式?
例句中有be prone to illness 也有be prone to eat junk food
就是说既有be prone to do sth.也有be prone to n.那to到底是作什么?如果说be prone to doing 是正确的吗?

be prone to 的to 是作介词还是不定式?例句中有be prone to illness 也有be prone to eat junk food就是说既有be prone to do sth.也有be prone to n.那to到底是作什么?如果说be prone to doing 是正确的吗?
‘To’ is not an infinitive marker but a preposition in your sentences.What follows a preposition should normally be a noun or noun phrase.‘Prone’ is one of those few adjectives like ‘inclined’ or ‘consent’ used with ‘to’ and followed by a bare verb like an infinitive
I would say ;This plant is prone to attack (as a noun not a verb) by insects
翻译就是
to是个介词,后面跟名词或名词词组.Prone是极少数能和to连用,后面跟不带to的动词不定式（动词原形）.
be prone to eat(eat是不带to的动词不定式,做名词） junk food
另外意思也有区别
infinitive:This plant is prone to attack by insects.
meaning,insects might attack the plant.（昆虫也许会侵害树木）（以前没侵害过）
gerund:This plant is prone to being attacked by insects.
meaning:insects have attacked the plant before.（昆虫也许会侵害树木）（昆虫以前就侵害过树木）
BE + past participle:This plant is prone to be attacked by insects.
meaning,the plant will definitely be attacked by insects.（（昆虫一定会侵害树木）（以前侵害过）
另外上面说的不一定正确,但有95%的把握

介词

你说的没错啊 be prone to doing也可以啊

根据牛津高阶字典，to在此处既可以做介词也可以做动词不定式的标志，关键取决于它后面跟什么，跟名词或者doing形式就是介词，跟动词原形就是动词不定式了。
另外，凡是介词后面几乎都可以接doing的，可以把doing就当作是一个名词形式

to是个介词，后面跟名词或名词词组

be prone to 的to 是作介词还是不定式?例句中有be prone to illness 也有be prone to eat junk food就是说既有be prone to do sth.也有be prone to n.那to到底是作什么?如果说be prone to doing 是正确的吗? be inclined to 和 be prone to 区别 求关于be...to的词组.如：be devoted to、be sentenced to、(to作介词) be prone to近义词有没有 In favor of 的意思 Thanks. be favorable to 的to是介词吗 be keen to的to是介词吗 be crucial to里面的 to 是介词吗 gmat改错题（ ),all the buildings were reinforced withadditional steel.A:Being prone to earthquakesB:Since the area was known to be prone to earthquakes为什么不选A?all the buildings是主语有什么问题吗？ to 作介词的短语都有哪些呀是to做介词 to什么时候作介词? to什么时候作介词 有什么词组是to作介词 Prone to insipid but unwilling to ordinary. This followed criticism that the rats used in the experiment were prone to cancer anyway.1.used不是应该用被动语态吗,这里有省略什么成份吗,如果有,麻烦详细告知是什么语法点2.be prone to cancer anyway这里的cancer是 to作介词时的用法我知道to作介词时后面跟V的ing形式 可是be used to doing 和is happy to do有什么不同吗？为什么is happy to do不是用doing呢？还有怎么区分到底是动词不定式还是当作介词用时跟V的ing be used to和used to的to是介词还是动词不定式?为什么? 请问英文翻译 skin prone to irritaion to是介词为什么be going to是情态动词