Verbs

1. Past

1.1. Example: Drink

1.1.1. SIMPLE

1.1.1.1. I drank

1.1.2. CONTINUOUS

1.1.2.1. I was drinking

1.1.3. PERFECT

1.1.3.1. I had drunk

2. Present

2.1. Example: Swim

2.1.1. SIMPLE

2.1.1.1. I swim

2.1.2. CONTINUOUS

2.1.2.1. I am swimming

2.1.3. PERFECT

2.1.3.1. I have swam

3. Future

3.1. Example: Walk

3.1.1. SIMPLE

3.1.1.1. I will walk

3.1.2. CONTINUOUS

3.1.2.1. I will be walking

3.1.3. PERFECT

3.1.3.1. I will have walked