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Mosaic 1 Grammar, 4/e
Patricia K. Werner
Lou Spaventa
High Tech, Low Tech

Part 1a

Change active sentences to passive ones, and passive sentences to active ones.



1

Alexander Graham Bell invented the telephone.

2

The United States gave the patent for the telephone to Bell.

3

A new computer network was installed in our office by High Tech Services.

4

Computer companies install new computer networks every day.

5

A new computer network will be installed by High Tech Services next week.

6

The Internet is used by millions of people every day.









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