English Tenses. Passive voice.

English Tenses. Passive Voice. 
The passive voice is used when we want to emphasize the action (the verb) and the object of a sentence rather than subject. This means that the subject is either less important than the action itself or that we don't know who or what the subject is.
Open the brackets and put the verbs into correct forms.
Remember the rules. Open the brackets and put the verbs into correct forms.
Количество вопросов в тесте: 12