I have seen many sentences but after "to" should be verb or noun isn't it? The sentence is fine. 'Understanding' is serving as a noun there.
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NattawutWhat I am confused is why "understanding" is behind "to"?I have seen many sentences but after "to" should be verb or noun isn't it?The sentence is fine. 'Understanding' is serving as a noun there. There are a few cases where 'to' unusually appears as a preposition when one might mistake it for an infinitive particle. These are some common ones: