He was tired yesterday

We were at the museum last month.

It was very sunny last week.

They were late for school two days.

• Was употребляется с существительными в единственном числе.
• Were употребляется с существительными во множественном числе.

1. He was tired yesterday.

2. We were at the museum last month.

3. It was very sunny last week.

4. They were late for school two days.