Gerund ING
- When the verb is the subject of the sentence: Singing is fun.
- After prepositions (in, on, forward...): I'm interested in learning English.
- After these verbs: Love, Like, Hate, Enjoy, Avoid, Prefer, Finish, Mind, Stop: I enjoy reading books.
Infinitive TO+verb
- After adjectives: I was happy to be with them.
- After these verbs: Forget, Help, Learn, Teach, Want, Try, Decide, Need, Plan, Seem, Promise: I want to learn English.
- After "would like": I would like to eat pizza.
- To give a reason: I went to the library to study math.
Infinitive without TO
- After modal verbs (should, would, could, can, may, must...): I can swim.
- After "Let" and "Make": My mother made me clean my room.
Reported Speech
Tense Changes:
Present - Past: "I am tired.
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