Past Simple Tense be: was / were

1. Positive

1.1. was = singular

1.2. were = plural / you

2. Negative

2.1. was = wasn't

2.2. were = weren't

3. Examples

3.1. 1

3.1.1. He was short

3.1.2. He wasn't short

3.2. 2

3.2.1. I was a police officer

3.2.2. I wasn't a police officer

3.3. 3

3.3.1. It was expensive!

3.3.2. It wasn't expensive!

3.4. 4

3.4.1. We were at home

3.4.2. We weren't at home

3.5. 5

3.5.1. They were in Rusia

3.5.2. They weren't in Rusia

4. Questions and Answers

4.1. Yes, + Subject + was/were

4.2. No, + Subject + wasn't/weren't

5. Ejemplos

5.1. 1

5.1.1. Why were you late to school?

5.1.1.1. Yes, I was.

5.1.2. Were you late to school?

5.1.2.1. No, I wasn't.

5.2. 2

5.2.1. When were they in Russia?

5.2.1.1. Yes, they were.

5.2.2. Were they in Russia?

5.2.2.1. No, they weren't.

5.3. 3

5.3.1. How much was it?

5.3.1.1. Yes, it was.

5.3.2. Was it expensive?

5.3.2.1. No, it wasn't.