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Anupam77 Posted 13 years ago
Grammar

Invented /was invented

1.phonograph invented by Thomas Edison
2.phonograph was invented by Thomas Edison
which sentence is grammatically correct? we know that "invented "is past form of verb "invent" ,so is it necessary to use "was invented " instead of "invented" ? is there any difference in the meaning of these two ?
  

Top answer

The phonograph was invented by Thomas Edison . 'Invented' is here the third form (past participle) of the verb. It is used with a part of BE ( was ) to form a passive construction.

  • The phonograph was invented by Thomas Edison .
  • 'Invented' is here the third form (past participle) of the verb.
  • It is used with a part of BE ( was ) to form a passive construction.
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6 Answers
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The phonograph was invented by Thomas Edison.

'Invented' is here the third form (past participle) of the verb. It is used with a part of BE (was) to form a passive construction.
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Thank You fivejedjon for your kind answer,but my doubt still persist same as before, I can understand , second sentence is in passive form ,but I want to know what is the problem with first sentence ? Why it is wrong ?
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anupam77 I want to know what is the problem with first sentence ? Why it is wrong ?
Edison invented the phonograph, The phonograph did not invent Edison.

Here', 'invented' is the second form (past simple); it's active.
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1.phonograph invented by Thomas Edison This is not a sentence. It is a noun phrase. You can use it in a sentence, though.

Here is the original phonograph invented by Thomas Edison.

2.phonograph was invented by Thomas Edison.

This is almost a sentence. You need to begin with an article and end with a period (full stop).

The phonograph was invented by Th
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Thanks a lot fivejedjon I got the point.
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Thanks a lot AlpheccaStars. I got the point and i will remember your kind advice as of now.

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