Inventions Unit 9 P2

We use it when we don´t know or don´t want to say who did the action, Paper was invented in China (We don´t know who invented the paper).

when we want to emphasize the importance of the object. America was discovered by Christopher Columbus. (emphasizing the importance of America being discovered).

the past simple of be (was / were)

and the past participle (written, made)

+ They were bought yesterday.

- It wasn´t made by Ella.

? Were the instructions included? Yes, they were. No, they weren´t.