Mia (see) many beautiful ancient houses when she was wandering around the old part of the city.
→ Mia saw many beautiful ancient houses when she was wandering around the old part of the city.

I (do) a quiz about ancient civilisation all Sunday morning.
→ I did a quiz about ancient civilisation all Sunday morning.

My grandparents (teach) for several years at the local secondary school, then went abroad for further study.
→ My grandparents taught for several years at the local secondary school, then went abroad for further study.

The first fish and chip shop (not open) in Italy. It was in the UK.
→ The first fish and chip shop was not opened in Italy. It was in the UK.

Matthew (work) for a multinational company at the time.
→ Matthew was working for a multinational company at the time.

What (they/serve) to their guests at the party last night?
→ What were they serving to their guests at the party last night?

He (not live) in France when the revolution happened.
→ He did not live in France when the revolution happened.

The explorers (find) the ancient pyramid when they (walk) through the jungle.
→ The explorers found the ancient pyramid when they were walking through the jungle.

I (observe) the ancient artefacts while the tour guide (explain) their origins.
→ I was observing the ancient artefacts while the tour guide was explaining their origins.

The waiters (serve) the customers when the fire (start).
→ The waiters were serving the customers when the fire started.

Andy wishes that he (go) can think of a way of helping.
→ Andy wishes that he could think of a way of helping.

The teacher wishes that her students (pay) more attention to the lessons.
→ The teacher wishes that her students would pay more attention to the lessons.

I wish you (be) near my house.
→ I wish you were near my house.

I wish Dam Sen Water Park (not be) so far away.
→ I wish Dam Sen Water Park were not so far away.

He wishes he (drive) a Lamborghini in Paris right now.
→ He wishes he could drive a Lamborghini in Paris right now.

I just wish that everything (can) be as it used to be.
→ I just wish that everything could be as it used to be.

Don't you ever wish you (have) someone to share your troubles with?
→ Don't you ever wish you had someone to share your troubles with?

I wish I (eat) Spanish food in Barcelona at present.
→ I wish I were eating Spanish food in Barcelona at present.

I wish I (know) how to use a computer.
→ I wish I knew how to use a computer.

These seats are very uncomfortable. I wish we (travel) first class.
→ I wish we were traveling first class.