Complete the sentences with the past simle, continuous or past perfect form of the verbs
1. when i (grow) up we (not have) a garden because we in a flat.
2. by the time he (be) three, my be (learn) to read!
3. a thunderstorm (start) while we (fly) over mexico.
4. my sister (not take) her favourite summer dress on holiday because she (lend) it to her friend
5. the firs time my grandmother (use) a computer, she (be) 65.

1. When I grew up, we did not have a garden because we lived in a flat.
Explanation: "When I grew up" is the past simple form used to indicate a specific time in the past. "We did not have" is also in the past simple form, indicating a habitual action or state of not having a garden while living in a flat.

2. By the time he was three, my brother had learned to read!
Explanation: "By the time he was three" refers to a specific time in the past. "My brother had learned" is the past perfect form, indicating an action that happened before another past action or time. The usage of the past perfect form indicates that the learning to read occurred before the time he turned three.

3. A thunderstorm started while we were flying over Mexico.
Explanation: "A thunderstorm started" is in the past simple form, indicating a specific action that happened in the past. "While we were flying" is in the past continuous form, indicating an action that was happening at a specific moment in the past.

4. My sister did not take her favorite summer dress on holiday because she had lent it to her friend.
Explanation: "My sister did not take" is in the past simple form, indicating a specific action that did not happen in the past. "She had lent" is in the past perfect form, indicating an action that happened before another past action. The usage of the past perfect form indicates that the lending of the dress occurred before the decision of not taking it on holiday.

5. The first time my grandmother used a computer, she was 65.
Explanation: "The first time my grandmother used" is in the past simple form, indicating a specific action that happened in the past. "She was 65" is also in the past simple form, indicating a state or age at a specific time in the past.