The key answer of exercise 4
The key to exercise solutions in chapter Self-check 7 for the textbook Focus 4 - Workbook with authors Daniel Brayshaw and Beata Trapnell from Pearson Education
Question
Rewrite the sentences using passive forms.
Answer
- was thought that
- is said to have had
- were estimated to be
- is claimed to cause
- is known to have revolutionised
Test your Knowledge
:max_bytes(150000):strip_icc():focal(999x0:1001x2)/beauty-and-the-beast-879e99af252745f9800e64393dd87587.jpg "Beauty and the Beast B2 Grammar Quiz")