✨ Main Use:

To talk about finished actions or events that happened at a specific time in the past.

✨Structure:

• Affirmative:

Subject + past tense verb

➤ She walked to school. / He ate a sandwich.

• Negative:

Subject + did not (didn't) + base form of verb

➤ They didn’t go to the party.

• Question:

Did + subject + base form of verb?

➤ Did you see that movie?

⏳ Common time expressions:

• yesterday

• last week / month / year

• in 2010

• two days ago

• when I was a child

✅

Affirmative Sentences

1. She went to the store yesterday. (go → went)

2. They ate pizza for dinner. (eat → ate)

3. I saw a great movie last night. (see → saw)

4. We had a lot of fun at the party. (have → had)

5. He made a cake for her birthday. (make → made)

❌

Negative Sentences

1. She didn’t go to the store.

2. They didn’t eat pizza for dinner.

3. I didn’t see the movie.

4. We didn’t have enough time.

5. He didn’t make the cake.

❓

Questions

1. Did she go to the store?

2. Did they eat pizza?

3. Did you see the movie?

4. Did we have homework?

5. Did he make a cake?

1. Azar, Betty S., & Hagen, Stacy A.
   Understanding and Using English Grammar (4th Edition). Pearson Longman, 2009.
   → Este libro es una referencia clásica en la enseñanza del inglés como segunda lengua. Contiene explicaciones claras del pasado simple y listas de verbos irregulares.

2. Murphy, Raymond.
   English Grammar in Use (5th Edition). Cambridge University Press, 2019.
   → Muy usado por estudiantes y profesores. Ofrece ejemplos prácticos, ejercicios y explicaciones gramaticales fáciles de entender.

3. Cambridge Dictionary – Grammar Section
   https://dictionary.cambridge.org/grammar/
   → Recurso confiable para reglas gramaticales, usos y ejemplos del pasado simple e irregular verbs.

4. British Council – LearnEnglish
   https://learnenglish.britishcouncil.org/grammar
   → Sitio educativo con explicaciones y ejercicios sobre tiempos verbales y vocabulario.

✨ Main Use:

To describe actions that were in progress at a specific moment in the past, or to show that a longer action was interrupted by a shorter one.

✨Structure:

• Affirmative:

Subject + was/were + verb-ing

➤ She was studying when I called.

• Negative:

Subject + was/were not + verb-ing

➤ We weren’t watching TV.

• Question:

Was/Were + subject + verb-ing?

➤ Were you sleeping at 10 p.m.?

⏳ Common time expressions:

• while

• when

• as

• at 5 p.m.

• all day / all night