I can kern you can kern he can kern we can kern you can kern they can kern
V-ing form
I can be kerning you can be kerning he can be kerning we can be kerning you can be kerning they can be kerning
Perfect
I can have kerned you can have kerned he can have kerned we can have kerned you can have kerned they can have kerned
V-ing perfect
I can have been kerning you can have been kerning he can have been kerning we can have been kerning you can have been kerning they can have been kerning
Negation
Simple form
I cannot kern you cannot kern he cannot kern we cannot kern you cannot kern they cannot kern
V-ing form
I cannot be kerning you cannot be kerning he cannot be kerning we cannot be kerning you cannot be kerning they cannot be kerning
Perfect
I cannot have kerned you cannot have kerned he cannot have kerned we cannot have kerned you cannot have kerned they cannot have kerned
V-ing perfect
I cannot have been kerning you cannot have been kerning he cannot have been kerning we cannot have been kerning you cannot have been kerning they cannot have been kerning
Interrogative form
Simple form
can I kern? can you kern? can he kern? can we kern? can you kern? can they kern?
V-ing form
can I be kerning? can you be kerning? can he be kerning? can we be kerning? can you be kerning? can they be kerning?
Perfect
can I have kerned? can you have kerned? can he have kerned? can we have kerned? can you have kerned? can they have kerned?
V-ing perfect
can I have been kerning? can you have been kerning? can he have been kerning? can we have been kerning? can you have been kerning? can they have been kerning?
Interro-negative form
Simple form
can I not kern? can you not kern? can he not kern? can we not kern? can you not kern? can they not kern?
V-ing form
can I not be kerning? can you not be kerning? can he not be kerning? can we not be kerning? can you not be kerning? can they not be kerning?
Perfect
can I not have kerned? can you not have kerned? can he not have kerned? can we not have kerned? can you not have kerned? can they not have kerned?
V-ing perfect
can I not have been kerning? can you not have been kerning? can he not have been kerning? can we not have been kerning? can you not have been kerning? can they not have been kerning?