LEVEL 4 GRAMMAR, MAY 18TH, 2017

Today, we looked at the Passive from p.82, 83 and 84

Some examples of passive sentences........
Medications are produced in Sligo.
Potatoes are grown in Ireland.
Champagne is made in France.

William Roentgen discovered X-rays.
X-rays were discovered by William Roentgen.

The first sentence is an Active sentence - it has the normal word order - subject + verb + object
The second sentence is a Passive sentence - the object comes first, as we consider it the most important part of the sentence. 

To make the passive, we need 
To be (am, is, are, was, were, have been, has been....) + past participle (3rd part of the verb)

 In the Present tense.....(am/are/is + past participle)
Active: Doctors use X-rays in medicine.
Passive: X-rays are used in medicine.

In the Past tense......(was/were + past participle)
Active: Someone stole my money last night.
Passive: My money was stolen last night.

In the Present Perfect......(have been/has been + past participle)
Active: Farmers have grown 50,000 tonnes of potatoes this year.
Passive: 50,000 tonnes of potatoes have been grown this year.


More practice here.






For homework, we had to complete sentences with the following table: they are all using the passive in the past
Also we had to do p.85 - 21.2 and 21.3

 eg. America was discovered by Columbus in 1492.

The airplane

Penicillin

The telephone

America

Paper

The printing press

The theory of evolution

Modern numerals (1,2,3,4…..)

The World Wide Web (Internet)

Algebra

Radioactivity


DNA












was

were









 invented

discovered

 developed





by the Chinese 2200 years ago.

by Alexander Graham Bell in 1876.

by the Wright Brothers in 1903.

by Johannes Gutenburg in 1439.

by Marie Curie in 1898.

in India 2000 years ago.

by Columbus in 1492.

by Alexander Fleming in 1928.

by Crick and Watson in 1953.

in 1991 by Tim Berners-Lee.

by Al Khwarizmi in Arabia twelve hundred years ago.

by Charles Darwin in 1859.





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