The correct grammar between 'an 8 year old' or an '8 years old child' is 'an 8 year old child'.
years or year's
4 years
The correct form is, "this year's play".
It depends on the context you are using the phrase in. If you are referring to, for example, a young child, you would refer to him as a 3-year-old. If you are referring to, for example, an incident which happened in the past, you would say it happened "three years ago".
The correct abbreviation is LY.- A kilo light-year is KLY.(1,000 light-years).- A mega light-year MLY.(1 million light-years).- A giga light-year is GLY.(1 billion light-years).
All of a child that is 12 years old will be 12 years old.
The correct way is to write New Year's Eve.
The correct phrasing would be "B years' experience," indicating that the experience spans multiple years.
34 * * * * * Not 34 years! The correct answer is 24 years.
My child is 5 years old. Or he is a 5-year-old child.
Both are correct depending upon the interpretation. If you are referring to the collective years, than the first example is correct. If you are referring to a specific year, then the second, possessive example, is correct.
The correct spelling is "last year's budget". Use the apostrophe after the word "year" to show possession.