rules of square of opposition exercises

CONTRADICTORIES = T,F; F,T
(A & O, E &I)

__A__1a. Jejemon lingo is slang = 1.b__T__
__O__1c. 1.d Some jejemon lingos are not slang = 1.e__F__

__O__1a. Few students are not diligent = 1.b__T__
__A_1c. 1.d All students are diligent = 1.e__F__

__E__1a. None of us are above the law = 1.b__T__
__I_1c. 1.d Some of us are above the law = 1.e__F__

__I__1a. Some plants are sentient = 1.b__F__
__E_1c. 1.d No plants are sentient= 1.e__T__

__I__1a. Some collateral attacks are unjust = 1.b__T__
__E_1c. 1.d No collateral attacks are unjust = 1.e__F__

__E__1a. No accountants are professional sceptics = 1.b__F__
__I_1c. 1.d Some accountants are professional sceptics = 1.e__F__
CONTRARIES = T, F; F, D
(A & E)

__A__1a. Public officials are crooked = 1.b__F__
__E__1c. 1.d No public officials are crooked = 1.e__D__

__A__1a. Cats are feline = 1.b__T__
__E__1c. 1.d No cats are feline = 1.e__F__

__A__1a. Each Caucasian is Asian = 1.b__T__
__E__1c. 1.d No Caucasian is Asian = 1.e__F__

__E__1a. No individuals are humans = 1.b__F__
__A__1c. 1.d Individuals are humans = 1.e__D__

__E__1a. None of us are literate = 1.b__F__
__A__1c. 1.d All of us are literate = 1.e__D__

SUBCONTRARIES = F, T; T, D
(I & O)

__I__1a. Some public officials are above the law = 1.b__F__
__O__1c. 1.d No public officials are above the law = 1.e__T__

__I__1a. Some students are diligent = 1.b__T__
__O__1c. 1.d No students are diligent = 1.e__D__

__O__1a. Many cats are not canis familiaris = 1.b__T__
__I__1c. 1.d Some cats are canis familiaris = 1.e__D__

__O__1a. Not all boffo films are successful = 1.b__F__
__I__1c. 1.d Some boffo films are successful = 1.e__T__

SUBALTERNS = UT, PT; UF, PD but
PT, UD; PF, UF
(A&I, E&O) (UTot, PaTay; UForge, PanDay) (PaTing, UDie; PaFlirt, UFall)
What is the pattern?
What does the rule demands?
What is the subaltern?

__E__1a. No accountant is lawyer = 1.b__F__
__O__1c. 1.d Some accountants are lawyers = 1.e__D__

__A__1a. People are humans = 1.b__T__
__I__1c.