English verb conjugation
COULD IDENTIFY

Regular verb: identify - identified - identified

Affirmation

Simple form	V-ing form
I could identify you could identify she could identify we could identify you could identify they could identify	I could be identifying you could be identifying she could be identifying we could be identifying you could be identifying they could be identifying
Perfect	V-ing perfect
I could have identified you could have identified she could have identified we could have identified you could have identified they could have identified	I could have been identifying you could have been identifying she could have been identifying we could have been identifying you could have been identifying they could have been identifying

Negation

Simple form	V-ing form
I couldn't identify you couldn't identify she couldn't identify we couldn't identify you couldn't identify they couldn't identify	I couldn't be identifying you couldn't be identifying she couldn't be identifying we couldn't be identifying you couldn't be identifying they couldn't be identifying
Perfect	V-ing perfect
I couldn't have identified you couldn't have identified she couldn't have identified we couldn't have identified you couldn't have identified they couldn't have identified	I couldn't have been identifying you couldn't have been identifying she couldn't have been identifying we couldn't have been identifying you couldn't have been identifying they couldn't have been identifying

Interrogative form

Simple form	V-ing form
could I identify? could you identify? could she identify? could we identify? could you identify? could they identify?	could I be identifying? could you be identifying? could she be identifying? could we be identifying? could you be identifying? could they be identifying?
Perfect	V-ing perfect
could I have identified? could you have identified? could she have identified? could we have identified? could you have identified? could they have identified?	could I have been identifying? could you have been identifying? could she have been identifying? could we have been identifying? could you have been identifying? could they have been identifying?

Interro-negative form

Simple form	V-ing form
couldn't I identify? couldn't you identify? couldn't she identify? couldn't we identify? couldn't you identify? couldn't they identify?	couldn't I be identifying? couldn't you be identifying? couldn't she be identifying? couldn't we be identifying? couldn't you be identifying? couldn't they be identifying?
Perfect	V-ing perfect
couldn't I have identified? couldn't you have identified? couldn't she have identified? couldn't we have identified? couldn't you have identified? couldn't they have identified?	couldn't I have been identifying? couldn't you have been identifying? couldn't she have been identifying? couldn't we have been identifying? couldn't you have been identifying? couldn't they have been identifying?