143. You remember that complete verbs have no object or complement, therefore it would follow that they cannot be put in the passive form for there is no object to become the receiver of the action. Take the complete verb, sleep, for example. We do not sleep anything, hence sleep has no passive form for there is no object which can be used as the subject, the receiver of the action.
Only transitive verbs can be put into the passive form. Remember that a transitive verb in the passive form is one that represents its subject as receiving the action.
The present, past, future and all the perfect time forms of transitive verbs can be changed from active to passive. The progressive time forms can be changed into the passive, but it makes an awkward construction and should be avoided as much as possible. Occasionally, however, we find it worth our while to use these forms, as for example:
- The book is being written by the man.
This is the passive form of the present progressive, The man is writing a book.
- The book was being written by the man.
This is the passive form of the past progressive, The man was writing the book.
144. The future progressive passive is awkward, and the present and past progressive forms are the only forms we find used in the passive. The best writers use them sparingly for we can usually say the same thing by using the active form of the verb and have a sentence which sounds much better.
Exercise 2
All the verbs in the following sentences are transitive verbs in the active form. Rewrite each sentence, putting the verb into the passive form and making the object of the active verb the subject of the passive verb; as, for example, the first sentence should be rewritten as follows: