LEARN THIS! The passive: advanced structures 1. We can use passive structures with present and past forms of modal verbs. Everyone should be encouraged to eat healthily. My computer must have been hacked. 2. Verbs that are followed by an infinitive or gerund can also be followed by a passive infinitive or gerund. She hopes to be accepted into medical school. I hate being told what to eat. 3. We can introduce ideas and opinions by using think, believe, say, know, report, etc. and passive structures. a. it + passive + that: It is estimated that we need eight hours’ sleep each night. In the past, it was thought that bathing was bad for you. b. subject + passive + present or perfect infinitive: Cigarettes are known to cause lung cancer. Heart disease is known to have caused over 80,000 deaths in the UK last year. |