Question

Change the following sentences into passive form

 

1. Alexander Graham Bell invented the telephone in 1876.

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2. We will install solar panels on the roof of our house next week.

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Answer 1

The phone was invited in 1876 by Alexander Graham Bell 
Solar panels will be installed on the roof of our house next week by us

Answer 2

1, The telephone was invented by  Alexander Graham Bell in 1876.

2, Solar panels will installed on the roof of our house by us next week.