I can pawn you can pawn he can pawn we can pawn you can pawn they can pawn
V-ing form
I can be pawning you can be pawning he can be pawning we can be pawning you can be pawning they can be pawning
Perfect
I can have pawned you can have pawned he can have pawned we can have pawned you can have pawned they can have pawned
V-ing perfect
I can have been pawning you can have been pawning he can have been pawning we can have been pawning you can have been pawning they can have been pawning
Negation
Simple form
I cannot pawn you cannot pawn he cannot pawn we cannot pawn you cannot pawn they cannot pawn
V-ing form
I cannot be pawning you cannot be pawning he cannot be pawning we cannot be pawning you cannot be pawning they cannot be pawning
Perfect
I cannot have pawned you cannot have pawned he cannot have pawned we cannot have pawned you cannot have pawned they cannot have pawned
V-ing perfect
I cannot have been pawning you cannot have been pawning he cannot have been pawning we cannot have been pawning you cannot have been pawning they cannot have been pawning
Interrogative form
Simple form
can I pawn? can you pawn? can he pawn? can we pawn? can you pawn? can they pawn?
V-ing form
can I be pawning? can you be pawning? can he be pawning? can we be pawning? can you be pawning? can they be pawning?
Perfect
can I have pawned? can you have pawned? can he have pawned? can we have pawned? can you have pawned? can they have pawned?
V-ing perfect
can I have been pawning? can you have been pawning? can he have been pawning? can we have been pawning? can you have been pawning? can they have been pawning?
Interro-negative form
Simple form
can I not pawn? can you not pawn? can he not pawn? can we not pawn? can you not pawn? can they not pawn?
V-ing form
can I not be pawning? can you not be pawning? can he not be pawning? can we not be pawning? can you not be pawning? can they not be pawning?
Perfect
can I not have pawned? can you not have pawned? can he not have pawned? can we not have pawned? can you not have pawned? can they not have pawned?
V-ing perfect
can I not have been pawning? can you not have been pawning? can he not have been pawning? can we not have been pawning? can you not have been pawning? can they not have been pawning?