sábado, 10 de mayo de 2014

Unit 11 (innovate)

In this unit we see present passive and past passive.
Present passive:
when we use present passive when we consider that the result of the action is more important than the person.
Examples: 
-We use bread to make sandwich- The bread is used to make sandwich.
-They produce computers in China- The computer is produced in China.
Past passive:
The result is more important than the performer of the action, especially when the performer is unknow, obvious, or no important, we use it to talk about discoveries, inventions or piece of news.
Examples: 
-America was discovered by Cristobal Colon.
-The wheel was invented by the cavemen.

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