4. Supply the past continuous of the verbs in parentheses.
a) Susan_________________ (help) her mother in the kitchen.
b) We___________________ (run) to school at 8 this morning.
c) The children___________________ (look) for the cat in the garage.
d) Father_____________________ (drive) home at 6 yesterday.
5. Put the sentences into the interrogative and the negative.
a) The detective was helping the inspector.