1. Past Simple

Used to talk about actions that happened and were completed at a specific time in the past.

• Structure:

  • Affirmative: Subject + verb in past (reg. or irr.) + complement.

Example: "I visited my grandmother."

• • Negative: Subject + did not + base verb + complement.

Example: "I did not visit my grandmother."

• • Interrogative: Did + subject + base verb + complement?

Example: "Did you visit your grandmother?"

• Specific time Example:

  • "She finished her homework yesterday."

2. Past Perfect

Used to talk about an action that was completed before another action in the past. It's like "the past of the past."

• Structure:

  • Affirmative: Subject + had + past participle + complement.

Example: "I had visited my grandmother before she passed away."

• • Negative: Subject + had not (hadn't) + past participle + complement.

Example: "I hadn't visited my grandmother before she passed away."

• • Interrogative: Had + subject + past participle + complement?

Example: "Had you visited your grandmother before she passed away?"

Example of an action completed before another:

• • "By the time I arrived, she had already left."

Past Simple

When to use it:

1. Completed Actions:

   • When you talk about something that happened at a specific time.

Example: "I saw a movie last night."

2. Historical Facts:

   • To refer to events that are no longer present.

Example: "World War II ended in 1945."

3. Sequence of Actions:

   • When mentioning actions that occurred one after the other.

Example: "I woke up, had breakfast, and went to work."

Past Perfect

It is used to indicate that an action was completed before another action in the past.

When to use it:

1. Previous Actions:

   • When you mention two actions in the past and need to indicate which one happened first.

Example: "I had finished my homework before I went out."

2. Context for Other Actions:

   • To provide context or background for an action in the past.

Example: "She was happy because she had passed the exam."

3. Narrations:

   • In stories, it helps establish the order of events.

Example: "After he had eaten, he went for a walk."

Tips to Remember

• Ask Yourself: Which action happened first? If there are two actions, the one that happened first should use past perfect.

Keywords:

• • Past Simple: yesterday, last year, in 2010.

  • Past Perfect: before, after, already.

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