Bob couldn´t buy the new computer because
Clara couldn´t pay for lunch because
Monty bought a new camera because
I couldn´t speak to the boss because
The little girl was crying because
Betty´s plants died because
Kevin failed his examen because
I didn´t have to buy groceries because
Sammy couldn´t fall asleep last night because
Susan slept late because
He had watched a scary movie.
He had already left the office.
She had left her purse at home.
She had lost her doll.
He had lost his old one
She hadn´t watered them.
He had spent all his money
She had forgotten to set the alarm
I had gone shopping the day before.
He hadn´t studied at all.