Past Simple: was/were
To complete the sentences, we need to choose the correct form of the verb 'to be' in the past simple tense (was/were) or its negative form (wasn't/weren't).
Grammar Rule: Use 'was' or 'wasn't' for singular subjects (I, he, she, it) and 'were' or 'weren't' for plural subjects (we, you, they) and for the singular 'you' when it refers to more than one person or is used formally.
- There were a lot of people in the fast food restaurant last night. It was very busy!
- Katie wasn't at school last week? - No, she was.