determiner
1
BAD : There was a representative from every countries.
GOOD : There was a representative from every country.
BAD : Every mornings I give him his breakfast.
GOOD : Every morning I give him his breakfast.
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every + singular count noun: 'I understood every word.'
2
BAD : Every job have its good points.
GOOD : Every job has its good points.
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every + noun + singular verb: 'Every child was given a red balloon.'
3
BAD : I have to visit the hospital every six week.
GOOD : I have to visit the hospital every six weeks.
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'every day', 'every week' BUT 'every two days', 'every six weeks'
4
BAD : On every Saturday afternoon I play tennis.
GOOD : Every Saturday afternoon I play tennis.
5
See PERSON 1 (↑ person ), PEOPLE 1 (↑ people )
6
See TIME 8 (↑ time )
7
BAD : The shop sells every thing, from toothbrushes to radios.
GOOD : The shop sells everything, from toothbrushes to radios.
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Every thing (two words) is not common and is used only when things are considered as separate items: 'She worries about every silly little thing.'
8
BAD : This example shows how computers affect our every day life.
GOOD : This example shows how computers affect our everyday life.
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See note at EVERYBODY (↑ everybody )
9
BAD : Every one was tired of listening to her voice.
GOOD : Everyone was tired of listening to her voice.
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See note at EVERYONE 1 (↑ everyone )
10
BAD : There aren't enough jobs for every body.
GOOD : There aren't enough jobs for everybody.
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everybody (one word) = each person; everyone: 'One day everybody will be able to travel to the moon.'
every body (two words) = each (dead) body: 'Every body was collected from the battlefield and given a proper burial.'