Как понять что ставить was или were?

1. Our engineers (was, were) at the factory yesterday. 2. When (was, were) you a student? 3. Our children (was, were) not at school yesterday. It (was, were) Sunday. 4. Who (was, were) your English teacher at school? Mr. Sedov (was, were). 5.

1. How many rooms Was|were in the house? 2. Was|were a dining room in the house? 3. was|were a living room? 4. how many bedrooms were|was in the house? 5. were|was any bathrooms there? 6. how many bathrooms was|were in the house? 7.

Tiny and his friends was или were in the mountains last winter Was или were you at home last night? - Yes, I was или were The house was или were old but nice She was или were in the city There was или were some letters on the table

2. The girls was/were happy last week 3. Grandma was/were at the supermarket two hours ago. 4. you was / were late for school yesterday. 5. Sam was/were tired last night. 6. Marek and Anna was/were bored last Saturday.

Выбрав правильную форму глагола, заверши эти предложения. 1) Mr Robinson and his wife (was, were) at the cinema yesterday night. Treir pets (was, were) at home. 2) My friends and i (was, were) at school yesterday afternoon.