Simple Past

1. Time

1.1. The past

1.2. Ago

1.3. Last

1.4. Before

1.5. Yesterday

2. Verbs

2.1. Regular

2.1.1. Common termination: -ed

2.1.1.1. /t/

2.1.1.1.1. Asked

2.1.1.1.2. Packed

2.1.1.2. /id/

2.1.1.2.1. Collected

2.1.1.2.2. Counted

2.1.1.3. /d/

2.1.1.3.1. Called

2.1.1.3.2. Died

2.2. Irregular

2.2.1. Association

2.2.1.1. Fly-flew

2.2.1.2. eat-ate

2.2.1.3. go-went

3. Auxiliaries

3.1. was/were

3.1.1. Was

3.1.1.1. I/He/She/It

3.1.2. Were

3.1.2.1. You/we/they

3.1.3. Information

3.1.3.1. Location

3.1.3.2. Status

3.1.3.3. Action in progress

3.1.3.4. Name

3.1.3.5. Physical Appearance

3.1.3.6. Nationality

3.1.3.7. Origin

3.1.3.8. Age

3.2. Did

3.2.1. -

3.2.1.1. Didn't + verb

3.2.2. ?

3.2.2.1. Did... ?

4. Formulas

4.1. +

4.1.1. Verb in past

4.2. -

4.2.1. Did not + verbs

4.3. ?

4.3.1. Did + verb