90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.
as a determiner (followed by a singular countable noun): in each corner of the room
as a pronoun: three windows, with a different view from each (followed by ‘of’): ♦ I want each of you to fill out an application. (after a plural subject): ♦ They each played their part. (after a plural object or a number): ♦ I gave them each a copy of the script. ♦ The cassettes are on sale at £3.50 each. (after a modal or auxiliary verb, or after the verb ‘to be’): ♦ We can each choose our own subject for research. ♦ Federer and Nadal had each won two games.
in the phrase each other: We always try to help each other.
When each is part of the subject of a sentence, it is used with a singular verb, except when it follows a plural subject: Each man hunts alone. ♦ They each do their share of the work.
In formal writing, a pronoun or possessive adjective that refers back to a noun subject with each is usually singular: Each student has his or her own place in the library. However, in conversation and informal writing these pronouns and possessives are often plural: ♦ Each student has their own place in the library.