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How do I understand when to use “to” as preposition or should come before an infinite? Or, when do I have to use the infinite or the gerund after “to”? (as in I’m looking forward to meeting). I hope my question isn’t that confusing. Thanks for the answer, bye.
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Hello Anon,

Can you write some examples of what you mean?

After I'm looking forward to ... use the gerund. The "to" goes with "looking forward to" -- it's not part of the verb that follows.
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Try putting a noun or a pronoun, for example it, after to. If that is possible, to is a preposition, not a part of an infinitive, and the gerund should be used if you have a verb after to.

I am looking forward to it. OK, so:
I am looking forward to meeting him.

But:
He used to it. WRONG! So:
He used to take a walk in the evenings. (Not: He used to taking...)

CB
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Comments  
See 'To' + 'ing'.

CJ
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