access to pornography is to be strictly controlled children need to be taught how toaccess to pornography is to be strictly controlledchildren need to be taught how to distinguish realities from illusions请问这两句话的话to be to be 怎么用?

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access to pornography is to be strictly controlled children need to be taught how toaccess to pornography is to be strictly controlledchildren need to be taught how to distinguish realities from illusions请问这两句话的话to be to be 怎么用?

access to pornography is to be strictly controlled children need to be taught how toaccess to pornography is to be strictly controlledchildren need to be taught how to distinguish realities from illusions请问这两句话的话to be to be 怎么用?
access to pornography is to be strictly controlled children need to be taught how to
access to pornography is to be strictly controlled
children need to be taught how to distinguish realities from illusions
请问这两句话的话to be to be 怎么用?
children 开始是另外一句话忘加句号了。

access to pornography is to be strictly controlled children need to be taught how toaccess to pornography is to be strictly controlledchildren need to be taught how to distinguish realities from illusions请问这两句话的话to be to be 怎么用?
这两句话中的be是跟后面的动词分词联系的,构成被动语态.
be controlled被控制 be taught被教

第一句中 to be strictly controlled整体做宾语,不定式可以做宾语,be strictly controlled是被动形式。第二句中need to 是固定搭配,to后面接不定式,be taught 是被动形式