IV. Choose the correct form of the verb from parentheses.
1. I ...(was calling / called) Linda at ten last night.
2. My mother... (sings , will sing ,is singing )in church next Sunday.
3, My dad and I ...( watch ,are watching ,watched ) a movie on t.v. right now.
4. Tonya... (worked ,had worked ,will work ) as a decorator before she opened her shop
5. The cat ...(scratched, will scratch ,had scratched ) a hole in the sofa before its owner noticed.