Respuesta:
1. Tony was not at the cinema yesterday.
2. They were not at home last night.
3. Our sister was not un class last week.
4. Some classmates were not late last Friday.
5. My friends were not happy with the results.
6. The CD was not expensive.
Explicación:
En ese caso, para cambiar cada oración a su forma negativa, simplemente debemos agregar la palabra not después del verbo.
