The English past simple tense is versatile, covering various types of actions and states in the past:

• Completed Actions: Ate dinner at 6 pm yesterday. Closed the window because it was cold.
• Past States: Was really happy at school. Lived in Barcelona when 21.
• Past Habits or Routines: Ate pizza every Friday in the past. Went to school on the train daily.

When constructing sentences in past simple, consider the following structures:

• Affirmative (Positive): Subject + verb (past simple)
• Negative: Subject + did not + verb (infinitive)
• Question (Interrogative): Did + subject + verb (infinitive)

Regular verbs in past simple are formed by adding "-ed" to the infinitive:

• Regular Verbs: Play - played, Need - needed, Dance - danced

Irregular verbs in past simple have unique forms that need to be memorized:

• Irregular Verbs: Buy - bought, Run - ran, Eat - ate, etc.

Pronunciation of regular past simple verbs can vary, falling into three categories:

1. /t/ - walked, placed, jumped
2. /d/ - played, called, cried
3. /ɪd/ - wanted, waited, crowded