Learn English – Agree “to share” or “to sharing”

expressionsgrammargrammaticalityverbs

After registering on an irish website, the following message showed up below the login form:

By pressing login I agree to sharing my personal details and contact information with this government body.

Although I'm not a native english speaker, I admit that the above expression bothered me.

Doesn't someone agree to do something? Therefore, agree to share his/her information? Why is the -ing form being used?

Best Answer

Here “to” is not the infinitive marker, but a preposition. Prepositions are always followed by a noun or noun phrase. You can tell “to” is the infinitive marker if the subject preceding it (you) performs the action after it (share).

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