1. Infinitive
1.1. After WH
1.1.1. I didn't even know what to say
1.2. After Adjectives
1.2.1. It's so nice to be here.
1.3. To explain purpose
1.3.1. I came here to win!
1.4. After certain verbs
1.4.1. Agree – "I agree to help." Aim – "She aims to succeed." Appear – "He appears to be tired." Arrange – "We arranged to meet at noon." Ask – "They asked to leave early." Attempt – "She attempted to win the race." Beg – "He begged to stay." Care – "I don't care to discuss it." Choose – "We chose to go by car." Claim – "She claims to know the answer." Decide – "He decided to study law." Demand – "They demand to see the manager." Deserve – "You deserve to win." Expect – "I expect to arrive late." Fail – "She failed to finish the project." Happen – "He happened to be there." Help – "She helped to carry the bags." Hope – "I hope to visit soon." Learn – "They learned to swim." Manage – "He managed to escape." Need – "We need to leave now." Offer – "She offered to help." Plan – "We plan to travel next year." Prepare – "They prepared to leave." Pretend – "He pretended to be asleep." Promise – "She promised to call." Refuse – "He refused to go." Seem – "They seem to know each other." Tend – "She tends to forget names." Try – "They tried to solve the problem." Want – "I want to learn Spanish." Wish – "We wish to speak with you." Would like – "I would like to travel."
2. Gerunds
2.1. Verb in Subject/Object position
2.1.1. Nothing better than drinking a cold glass of water after running
2.2. After prepositions
2.2.1. I can't leave without saying goodbye
2.3. After certain verbs
2.3.1. Admit – "He admitted stealing the money." Avoid – "She avoids speaking in public." Appreciate – "I appreciate you helping me." Begin – "She began singing at an early age." Can't help – "I can't help laughing at the joke." Consider – "They are considering moving to Spain." Continue – "He continued working despite the rain." Delay – "They delayed sending the package." Deny – "She denied cheating on the test." Discuss – "We discussed going to the beach." Dislike – "I dislike waking up early." Enjoy – "They enjoy traveling together." Escape – "He escaped being caught." Finish – "She finished writing the report." Imagine – "Can you imagine living in Paris?" Involve – "The job involves working long hours." Keep – "She keeps talking about it." Mention – "He mentioned going to the party." Mind – "Do you mind closing the door?" Miss – "I miss living in the countryside." Postpone – "They postponed meeting until next week." Practice – "She practices speaking French daily." Quit – "He quit smoking last year." Recommend – "They recommend trying the new restaurant." Regret – "I regret telling him my secret." Risk – "She risks losing everything." Spend (time) – "We spend time talking every evening." Suggest – "They suggested going to the cinema." Stop – "He stopped smoking last year." Tolerate – "I can’t tolerate waiting in long lines." Understand – "I understand wanting to leave early."
3. Bare infinitive
3.1. After Modal verbs
3.1.1. She can sing. / You must leave now.
3.2. After certain verbs
3.2.1. Make – "They made him leave early." Let – "She let him borrow her car." Help – "Can you help me carry this?" Hear – "I heard her sing a beautiful song." See – "We saw them play football." Watch – "He watched her paint the picture." Feel – "I felt the ground shake." Have – "She had me do the work." Dare (in negative or interrogative form) – "He didn’t dare speak."
4. Accepts Gerund or Infinitive with a change in the meaning
4.1. 1.Forget
4.1.1. Forget + gerund: Refers to forgetting a past action or experience.
4.1.1.1. Example: "I’ll never forget meeting you." (I met you, and I remember that moment.)
4.1.2. Forget + infinitive: Refers to forgetting to do something, typically an action you were supposed to do.
4.1.2.1. Example: "I forgot to call her." (I was supposed to call her, but I didn’t.)
4.2. 2. Remember
4.2.1. Remember + gerund: Refers to recalling a past action or experience.
4.2.1.1. Example: "I remember going to the beach as a child." (I recall the experience of going.)
4.2.2. Remember + infinitive: Refers to remembering to do something, typically an action you need to do.
4.2.2.1. Example: "Remember to lock the door." (Don’t forget to do it.)
4.3. 3. Stop
4.3.1. Stop + gerund: Means to cease an action that you are already doing.
4.3.1.1. Example: "He stopped smoking." (He quit smoking.)
4.3.2. Stop + infinitive: Means to pause one action in order to do another action.
4.3.2.1. Example: "He stopped to smoke." (He paused whatever he was doing to have a cigarette.)
4.4. 4. Try
4.4.1. Try + gerund: Means to experiment with doing something, to see what happens or if it works.
4.4.1.1. Example: "Try eating more vegetables." (Experiment with this to improve health.)
4.4.2. Try + infinitive: Means to make an effort to do something that is difficult.
4.4.2.1. Example: "She tried to lift the heavy box." (She made an effort, but may or may not have succeeded.)
4.5. 5. Regret
4.5.1. Regret + gerund: Refers to regretting something that has already happened.
4.5.1.1. Example: "I regret telling her the truth." (I’m sorry for what I did.)
4.5.2. Regret + infinitive: Used to announce bad news or express regret about something you are going to say.
4.5.2.1. Example: "I regret to inform you that your application was rejected." (A formal way to give bad news.)
4.6. 6. Go on
4.6.1. Go on + gerund: Means to continue doing the same thing.
4.6.1.1. Example: "She went on talking for hours." (She continued talking.)
4.6.2. Go on + infinitive: Means to change to a new action.
4.6.2.1. Example: "After the introduction, he went on to explain the main points." (He moved to a new topic.)
4.7. 7. Mean
4.7.1. Mean + gerund: Refers to the consequence or result of something.
4.7.1.1. Example: "This job means working late hours." (The job involves working late hours.)
4.7.2. Mean + infinitive: Refers to intending to do something.
4.7.2.1. Example: "I meant to call you earlier." (I intended to call you.)
4.8. 8. Need
4.8.1. Need + gerund: Refers to something needing to be done (passive meaning).
4.8.1.1. Example: "The car needs washing." (The car requires being washed.)
4.8.2. Need + infinitive: Refers to the necessity for someone to do something.
4.8.2.1. Example: "I need to wash the car." (I have to wash the car.)