2020-02-26 Grammar: passive modals

Greg Malivuk
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http://www.pastebin.com/u/gmalivuk - Notes from all classes
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active: Leonardo painted the Mona Lisa.
passive: The Mona Lisa was painted by Leonardo.
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p. 224 exercise 17 - Decide if the sentences should be active or passive, then write the correct forms of the verbs. Use whatever tense makes the most sense.
1 was discovered
2 is produced
3 is exposed, affects
4 was introduced, was invented, have been developed
	(“since then” means “from then until now”)
5 was sent, sent, are sent
6 have been collected, were required (by the government)
7 was recognized, was asked (by the professor), took, knew, multiplied, came
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exercise 18 - Ask your partner these questions. Answer in the passive.
1 I was expected to do my homework every day.
2 I am frightened by/of snakes.
3 I am bothered by the attendance policy.
4 People are often confused by questions.
5 Yes. It is caused by headaches.
6 Yes. They are caused by insomnia.
7 I have been helped (the) most by the/my iPad Pro.
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To make modals about the past, use “have” and the past participle:
active: He should have sent the letter last week.
passive: The letter should have been sent last week.
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Exercise 20 - Mark the sentences that have passive modals. Underline the complete verb.
What is the job? Would you like to do this job?
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Homework: p. 226 exercise 21