verb

1. personal form of the verb

1.1. active voice - 9 tenses

1.1.1. Simple Present, Past, Future

1.1.1.1. V/Vs(es) or V2/Ved or will + V

1.1.2. Continuous Present, Past

1.1.2.1. to be + Ving

1.1.3. Perfect Present, Past

1.1.3.1. have/has + V3/Ved

1.1.4. Perfect Continuous Present, Past

1.1.4.1. have/has + been + Ving

1.2. passive voice - 4 tenses

1.2.1. Simple Passive Present, Past, Future

1.2.1.1. to be + V3/Ved

1.2.2. Perfect Passive Present

1.2.2.1. have/has + been + V3/Ved

1.3. conditional sentences

1.3.1. Real

1.3.1.1. If Present Simple, Present Simple

1.3.1.2. If Present Simple, Future Simple

1.3.2. Unreal

1.3.2.1. If Past Simple, would + V

1.4. indirect speech

1.4.1. Coordination of tenses in indirect speech

1.4.1.1. Time shifts 1 step into the past

2. impersonal form of the verb

2.1. Participle I (Present)

2.1.1. Ving

2.2. Participle II (Past)

2.2.1. V3/Ved

2.3. Gerund

2.3.1. Ving

2.4. Infinitive

2.4.1. to V/V