The usage of the infinitive or - ing form

THE USAGE OF THE INFINITIVE

OR - ING FORM

like/love/prefer/don’t mind/can’t stand, etc. + -ing form (examples: dust mites like eating, they can’t stand living); can/must/may/will, etc. + infinitive without to (examples: you may think, they can carry, cockroaches can live); look forward to/have difficulty (in)/be used to + -ing form (examples: they have difficulty laying); kind/ sad/lucky/clever/glad, etc. + to-infinitive (examples: they are always glad to do); manage/ want/ expect/offer/help/promise, etc. + to-infinitive (examples: the only one who wants to be, vacuuming ... helps to get rid of, don’t expect to get rid of); let/make/hear/see/feel + infinitive without to (examples: don’t let them live).