5 day(s) training

0 To me they all are more like adjectives, so I'd suggest: a 5-minute break and so on. 0-

0Yes, and02br
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01b00a02b00 five-year experience ...0-

1font00However, 'five years experience' search on Google gives a lot of hits compared to "five year experience".02font02br
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00Engineering help wanted adds with three to five 01b00years experience02b00 range were common not long ago. Today because of laws against outright age discriminati

0I think you have to type02br
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00'five years' experience' and '01b00a02b00 five-year experience'0-

0 These look like compound nouns.02br
01i005 minute break02br
00basketball player02br
00car park02br
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02i00There are exceptions where plural form is used. Nouns that are only used in the plural, or have the different meaning in singular/plural or countable/uncountable02br
01i00clothes shop02br


0 I 01u00think02u00 it should be like so:01blockquote

01cite10New2grammar12cite11font10However, 'five years experience' search on Google gives a lot of hits compared to "five year experience".12font12br
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10Engineering help wanted adds with thre

0 01blockquote

01cite10New2grammar12cite10Let's have a 5-minute(s) break.12br
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10He has 5 year(s) experience in gardening.12br
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10There is a 5 day(s) training on this topic.12br
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10Should the sentences above use the plural form?12br
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11sup^11sub

0 «However, 'five years experience' search on Google gives a lot of hits compared to "five year experience".»02br
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00You didn't note that a majority (~ 2/3) of those entries were with an apostrophe after "years":02br
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00«Five years' experience».02br
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00To me this phrase seems better thouth still a little strange. 0-

0 Possessive form can be used with times. "five years" is considered as a time (as a time range), isn't it? Morning's paper sounds more natural (as a time unit)0-

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00If I say “01font00Tom has 5 years of accounting experience vs. Tom has 5 years’ accounting experience02font00, they are not of the same structure, although they basically are correct and mean the same thing. 02br
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00In some context, one form works better than the other, depending on what is being desc