Can you explain why this sentence "I am looking forward to see you" is incorrect?

[32Onuma070ศาสตราจารย์]

Because 'look forward to + noun' or 'look forward + V-ing' (the -ing form functions like nouns after prepositions)
Here 'to' is not the infinitive 'to', it's the proposition as in 'go to school'.
It is wrong to use an infinitive after a preposition.
I look forward to seeing you is a correct sentence.
Onuma 070 3EN

[4Malita001ศาสตราจารย์]

I think I don’t need to explain it to you because you have answered it already. Hahaha
BTW, I love this kind of question; it’s useful.

Malita 001 4EN

[4Prapaipan026ศาสตราจารย์]

I can't explain that.
Obviously, you've got it already.
All I'd say is 'because it's a rule'.

Prapaipan026 4EN

[32Sontaya056ศาสตราจารย์]

It is a kind of paradox. By saying that I mean the phrase "look forward to" ends in preposition "to" which should be followed by verb infinitive. But actually the whole phrase works like a kind of preposition which needs nouns or gerunds. So that is the rule. Very complicated haha.

Sontaya056 3EN

[32Sasitorn051ศาสตราจารย์]

You got that point already.
And I agree with your answer.

Sasitorn051 3EN

[33Pattarakant115ศาสตราจารย์]

You got it, girl.
I have read it and it has said exactly like you did.

Pattarakant 115 3EN

[32Wachayamin046ศาสตราจารย์]

Oh! I just know this sentence is incorrect. I think since we used to use it and didn't notice about the rule, so just use it if it's natural.
Wachayamin046 3EN

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