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John liao Posted 12 years ago
Grammar
past participle replacement?
The zip, which is known as a zipper in US English, is a fastening device used on clothes, bags and camping equipment. First patented in 1891, but it didn’t become a practical alternative to buttons until years later. Early versions, made only of metal, used hooks and eyes, but they came apart easily. A zipper based on interlocking teeth was invented by the Swedish engineer Gideon Sundback in 1914, and this is the system used in zips around the world today.
Why "was invented by the Swed" can't be replaced by "invented by the Swed"?
Why "was invented by the Swed" can't be replaced by "invented by the Swed"?
Top answer
john liao Why can't "was invented by the Swed ish engineer " can't be replaced by "invented by the Swed ish engineer "? Because "was invented" is the verb phrase for the main clause: A zipper ... was invented by ....
- john liao Why can't "was invented by the Swed ish engineer " can't be replaced by "invented by the Swed ish engineer "?
- Because "was invented" is the verb phrase for the main clause: A zipper ...
- was invented by ....
- Sometimes "which was" or "that was" or similar word groups can be dropped, but not just "was".
- CJ
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1 Answers
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john liaoWhy can't "was invented by the Swedish engineer"Because "was invented" is the verb phrase for the main clause: A zipper ... was invented by ....can'tbe replaced by "invented by the Swedish engineer"?
Sometimes
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