885 sec12-19

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This is the explanation about "each" from American Heritage dictionary.For reference!
The traditional rule holds that when the subject of a sentence begins with  each, it is grammatically singular, and the verb and following pronouns must be singular as well:
Each of the suites has (not  have)  its (not  their)  own private entrance (not  entrances). When  each follows a plural subject, however, the verb and subsequent pronouns remain in the plural:
The suites each have their own private entrances (not  has its own private entrance). An exception is made when  each follows the verb with a first-person plural subject: one may say either  We boys have each our own roomor  We boys have each his own room, though the latter form is somewhat stilted in modern use. · The expression  each and every is likewise followed by a singular verb and singular pronoun in formal style:
Each and every driver knows (not  know)  what his or her (not  their)  job is to be.

cxj

good job!