a6: Look and circle. 1. He played/plays tennis every Sunday. 2. What did/do you do last Sunday? 3. We were/are at the shopping center now. 4. They help/helped the old man to cross the street yesterday. 5. We watch/watched the movie at the movie theater last weekend. 6. They like played playing the violin 7. Kien washes/ washed his car three days ago. 8.Daisy listened/ listens to music at home last night 9. What is he doing? He is playing/played chess. 10. She cleans/ cleaned the floor yesterday. 11. My brother stays stayed at home yesterday. 12. Did/ Do you enjoy the seafood last night? 13. Where did they played/play volleyball? 14. He finishes /finished his homework yesterday. 15. We don't/ didn't watch TV yesterday.

## a6: Look and circle.<br /><br />Here are the correct answers with explanations:<br /><br />1. **He played tennis every Sunday.** (We use the simple past tense for actions that happened regularly in the past.)<br />2. **What did you do last Sunday?** (We use the simple past tense to ask about actions that happened in the past.)<br />3. **We were at the shopping center now.** (We use the past continuous tense to describe an action that was happening at a specific time in the past.)<br />4. **They helped the old man to cross the street yesterday.** (We use the simple past tense to describe an action that happened in the past.)<br />5. **We watched the movie at the movie theater last weekend.** (We use the simple past tense to describe an action that happened in the past.)<br />6. **They like playing the violin.** (We use the gerund "playing" after the verb "like" to express a general preference.)<br />7. **Kien washed his car three days ago.** (We use the simple past tense to describe an action that happened in the past.)<br />8. **Daisy listened to music at home last night.** (We use the simple past tense to describe an action that happened in the past.)<br />9. **What is he doing? He is playing chess.** (We use the present continuous tense to describe an action that is happening now.)<br />10. **She cleaned the floor yesterday.** (We use the simple past tense to describe an action that happened in the past.)<br />11. **My brother stayed at home yesterday.** (We use the simple past tense to describe an action that happened in the past.)<br />12. **Did you enjoy the seafood last night?** (We use the simple past tense to ask about an action that happened in the past.)<br />13. **Where did they play volleyball?** (We use the simple past tense to ask about an action that happened in the past.)<br />14. **He finished his homework yesterday.** (We use the simple past tense to describe an action that happened in the past.)<br />15. **We didn't watch TV yesterday.** (We use the simple past tense to describe an action that did not happen in the past.) <br />