I could pawn you could pawn he could pawn we could pawn you could pawn they could pawn
V-ing form
I could be pawning you could be pawning he could be pawning we could be pawning you could be pawning they could be pawning
Perfect
I could have pawned you could have pawned he could have pawned we could have pawned you could have pawned they could have pawned
V-ing perfect
I could have been pawning you could have been pawning he could have been pawning we could have been pawning you could have been pawning they could have been pawning
Negation
Simple form
I couldn't pawn you couldn't pawn he couldn't pawn we couldn't pawn you couldn't pawn they couldn't pawn
V-ing form
I couldn't be pawning you couldn't be pawning he couldn't be pawning we couldn't be pawning you couldn't be pawning they couldn't be pawning
Perfect
I couldn't have pawned you couldn't have pawned he couldn't have pawned we couldn't have pawned you couldn't have pawned they couldn't have pawned
V-ing perfect
I couldn't have been pawning you couldn't have been pawning he couldn't have been pawning we couldn't have been pawning you couldn't have been pawning they couldn't have been pawning
Interrogative form
Simple form
could I pawn? could you pawn? could he pawn? could we pawn? could you pawn? could they pawn?
V-ing form
could I be pawning? could you be pawning? could he be pawning? could we be pawning? could you be pawning? could they be pawning?
Perfect
could I have pawned? could you have pawned? could he have pawned? could we have pawned? could you have pawned? could they have pawned?
V-ing perfect
could I have been pawning? could you have been pawning? could he have been pawning? could we have been pawning? could you have been pawning? could they have been pawning?
Interro-negative form
Simple form
couldn't I pawn? couldn't you pawn? couldn't he pawn? couldn't we pawn? couldn't you pawn? couldn't they pawn?
V-ing form
couldn't I be pawning? couldn't you be pawning? couldn't he be pawning? couldn't we be pawning? couldn't you be pawning? couldn't they be pawning?
Perfect
couldn't I have pawned? couldn't you have pawned? couldn't he have pawned? couldn't we have pawned? couldn't you have pawned? couldn't they have pawned?
V-ing perfect
couldn't I have been pawning? couldn't you have been pawning? couldn't he have been pawning? couldn't we have been pawning? couldn't you have been pawning? couldn't they have been pawning?