The document compares active and passive voice as well as different verb tenses including present simple, present continuous, past simple, past continuous, present perfect, future intention with "going to", and future simple. It provides examples of sentences using active and passive voice for each verb tense.

1. Active Passive Time Reference
They make Fords in Cologne. Fords are made in Cologne. Present Simple
Present
Susan is cooking dinner. Dinner is being cooked by Susan
Continuous
James Joyce wrote "Dubliners" was written by James
Past Simple
"Dubliners". Joyce.
They were painting the house The house was being painted when I
Past Continuous
when I arrived. arrived.
They have produced over 20 Over 20 models have been produced
Present Perfect
models in the past two years. in the past two years.
They are going to build a new A new factory is going to be built in Future Intention
factory in Portland. Portland. with Going to
I will finish it tomorrow. It will be finished tomorrow. Future Simple