Use verb + [-ing]: after prepositions, after certain verbs like keep, don't mind, enjoy etc., as the subject/object of a sentence, Use verb + [to+infinitive]: after certain verbs like want, plan, seem, decide, etc, after certain adjectives (eg. difficult, good, important, etc.) , to show purpose, Use base verb: after help/let/make + object, after modals,

Verb Patterns - Rules

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