Subjective
The predicate nominative is in the subjective case.
Vocatives are in the subjective case.
I, you, he, she, it, we, they, who, which
It is she. Who is he?
Hey, you! Come here.
Objective
are in the objective case.
Objects of prepositions are in the objective case.
The subject of an infinitive is in the objective case.
me, you, him, her, it, us, them, whom, which
I gave him an apple.
She told them the time.
John wants us to go home.
Possessive
The subject of a gerund is in the possessive case.
In making the possessive of nouns, add's if the noun
does not end in s. Add just the ' if it does.
my, your, his, her, its, our, their, whose, of which
Do you like her (Mary's) singing?
children's,James', Fred's
PATTERNS
SV
sv
He swam to Peru yesterday.
sv
She sings Beethoven every morning.
svo
He swam the English Channel.
svo
She gave him a potato.
svio
He told her his name.
svio
George was king in 1776.
svn
He had become king earlier.
svn
She was very cute.
sva
He seems quite intelligent.
sva
She found him intelligent.
svoc
They call me Mr. Chips.
svoc