A. Gerung (verb + ing): the form of verb ending in ‘-ing’, which can function as a noun, as an adjective, and in the formation of progressive tenses.

B. Verbs followed by Gerund (-ing) clauses

C. Preposition + Gerund (-ing)

D. Expressing + Gerund (-ing)

E. Gerund (-ing) Clauses

F. to + infinitive

G. Adjective + to ~

H. To ~, for ~ and so that ~ (purpose)

I. Verb + Gerund (~ing) or to ~ (Infinitive)

J. To ~ (infinitive) and preposition + Gerund (-ing)