I can identify you can identify she can identify we can identify you can identify they can identify
V-ing form
I can be identifying you can be identifying she can be identifying we can be identifying you can be identifying they can be identifying
Perfect
I can have identified you can have identified she can have identified we can have identified you can have identified they can have identified
V-ing perfect
I can have been identifying you can have been identifying she can have been identifying we can have been identifying you can have been identifying they can have been identifying
Negation
Simple form
I can't identify you can't identify she can't identify we can't identify you can't identify they can't identify
V-ing form
I can't be identifying you can't be identifying she can't be identifying we can't be identifying you can't be identifying they can't be identifying
Perfect
I can't have identified you can't have identified she can't have identified we can't have identified you can't have identified they can't have identified
V-ing perfect
I can't have been identifying you can't have been identifying she can't have been identifying we can't have been identifying you can't have been identifying they can't have been identifying
Interrogative form
Simple form
can I identify? can you identify? can she identify? can we identify? can you identify? can they identify?
V-ing form
can I be identifying? can you be identifying? can she be identifying? can we be identifying? can you be identifying? can they be identifying?
Perfect
can I have identified? can you have identified? can she have identified? can we have identified? can you have identified? can they have identified?
V-ing perfect
can I have been identifying? can you have been identifying? can she have been identifying? can we have been identifying? can you have been identifying? can they have been identifying?
Interro-negative form
Simple form
can't I identify? can't you identify? can't she identify? can't we identify? can't you identify? can't they identify?
V-ing form
can't I be identifying? can't you be identifying? can't she be identifying? can't we be identifying? can't you be identifying? can't they be identifying?
Perfect
can't I have identified? can't you have identified? can't she have identified? can't we have identified? can't you have identified? can't they have identified?
V-ing perfect
can't I have been identifying? can't you have been identifying? can't she have been identifying? can't we have been identifying? can't you have been identifying? can't they have been identifying?