The '-ing' form after 'to' as a preposition

To is either a preposition or a part of the infinitive It is part of the infinitive in / want to go home but a preposition governing a noun/gerund in ' object to noise I object to smoking In the following expressions to is a preposition so we may use the -ing form after it accustom (oneself) to be accustomed to face up to in addition 'to look forward to object to be reduced to resign oneself to be resigned to resort to sink to be used to

/ object to being kept waiting I'm used to doing the shopping Accusative and possessive forms are possible

/ object to people/him/his smoking in restaurants Some nouns and adjectives can also be followed by to + -ing e g alternative to close/closeness to dedication/dedicated to opposition/opposed to similarity/similar to