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