1. Present
1.1. Simple
1.1.1. Affirmative
1.1.1.1. Exemple: I read
1.1.2. Negative
1.1.2.1. Exemple: I don't read
1.1.3. Questions
1.1.3.1. Exemple: Do I read?
1.2. Continous
1.2.1. Affirmative
1.2.1.1. Exemple: I am looking at the stars
1.2.2. Negative
1.2.2.1. Exemple: I'm not looking at the stars
1.2.3. Questions
1.2.3.1. Exemple: Am I looking at the stars?
2. Present Perfect
2.1. Affirmative
2.1.1. Exemple: I have written my letter.
2.2. Negative
2.2.1. Exemple: I haven't written my letter
2.3. Questions
2.3.1. Exemple: Have you written your letter?
3. Modals
3.1. Can
3.1.1. Affirmative: I can go to NY.
3.1.2. Negative: You can't go to the toilet.
3.1.3. Interrogative: Can I go to the toilet?
3.2. May
3.2.1. Affirmative: I may go.
3.2.2. Interrogative: May I go?
3.3. Could
3.3.1. Affirmative: Yes, I could.
3.3.2. Negative: I couldn't ask you something.
3.3.3. Interrogative: Could you ask me something?
4. Past
4.1. Simple
4.1.1. Regular
4.1.1.1. Affirmative
4.1.1.1.1. I visited the museum.
4.1.1.2. Negative
4.1.1.2.1. I didn't visit the museum.
4.1.1.3. Interrogative
4.1.1.3.1. Did you visit the museum?
4.1.2. Irregular
4.1.2.1. Be: was/were
4.2. Continous
4.2.1. Affirmative
4.2.1.1. I was running
4.2.2. Negative
4.2.2.1. I wasn't running
4.2.3. Interrogative
4.2.3.1. Were they running?
5. Future
5.1. Will
5.1.1. Affirmative
5.1.1.1. I will walk
5.1.2. Short form
5.1.2.1. I'll walk
5.1.3. Negative
5.1.3.1. I won't walk
5.1.4. Interrogative
5.1.4.1. Will I walk?
5.2. Going to
5.2.1. Affirmative
5.2.1.1. I am going to help
5.2.2. Short form
5.2.2.1. I'm going to help
5.2.3. Negative
5.2.3.1. I'm not going to help
5.2.4. Interrogative
5.2.4.1. Am I going to help?