Subject or object pronoun?

Here are a few exceptions to the rules for using subject and object pronouns outlined in.4 5 and 4.6

4.7.1 Object pronouns after 'be'

Object pronouns are normally used in preference to subject pronouns

after be in everyday speech

Who is it? - I t s me/him/her/us/them

4.7.2 Object pronouns (especially 'me') as subjects[> 13.29.3, 13.42n2]
Subject pronouns (/ she, etc ) are not normally used by themselves or
in short answers with not Object pronouns are used instead

Who wants a ride on my bike? - Me/Notme! An object pronoun can also occur as the subject of a particular kind of exclamatory question for stress or emphasis

You can tell him - Me tell him⁷ Not likely! Me occurs very informally in 'cleft sentences' [> 4.14]

Don t blame Harry It wasme whoopened the letter where careful usage would require

It was I who (Or / was the one who )

4 Pronouns

4.7.3 Object or subject pronouns after comparatives with 'as' and 'than'

Object pronouns are commonly used in statements like the following when as and than function as prepositions:

She's as old as me/as himYou're taller than me/than herHowever, subject pronouns are used if as or than function as conjunctions, i.e. when they are followed by a clause [> 1.53, 6.27.1]:

She's as old as I am/he isYou're taller than I am/she is4.7'.4 Object pronouns in exclamations

Object pronouns often occur in exclamations like the following: He's got to repay the money - Poor him!(= Isn't he unlucky!) She's been promoted - Lucky her¹(= Isn't she lucky!)