FORM
Only transitive verbs can be in the passive form. A transitive verb is a verb that is followed by an object. For example:
give an exam, throw a baseball, cook a meat.
By + a noun phrase is optional at the end of passive sentences.
The instructions were explained (by the teacher).
The article is being published (by Psychology Today).
give an exam, throw a baseball, cook a meat.
By + a noun phrase is optional at the end of passive sentences.
The instructions were explained (by the teacher).
The article is being published (by Psychology Today).