Advanced Passive Constructions — The Headline and the Finding
Grammar: Passive Voice
Free ESL grammar exercise on advanced passive constructions themed around the headline and the finding. Printable worksheet from EnglishPlans.com.
What's on this worksheet
A Level 5 (advanced) ESL grammar exercise on science, practising passive voice. The worksheet has a short reading excerpt, a grammar reference and graded practice items.
From the reading
The object at the centre of galaxy M87 is believed to be a supermassive black hole. Scientists noted that the result would need to be replicated before a consensus could be claimed.
Grammar: Passive Voice
- Passive infinitive
- The object is believed to be a supermassive black hole. — subject + passive verb + to-infinitive
- Modal + passive
- A new planet may have been discovered last year. — modal + have been + past participle
Sample items
- The virus ______ to have originated in a cave system in southern Yunnan province.
- The compound ______ to inhibit the growth of cancer cells in laboratory conditions.
- Further clinical trials ______ before any treatment protocol could be approved.
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