I could gossip you could gossip she could gossip we could gossip you could gossip they could gossip
V-ing form
I could be gossiping you could be gossiping she could be gossiping we could be gossiping you could be gossiping they could be gossiping
Perfect
I could have gossiped you could have gossiped she could have gossiped we could have gossiped you could have gossiped they could have gossiped
V-ing perfect
I could have been gossiping you could have been gossiping she could have been gossiping we could have been gossiping you could have been gossiping they could have been gossiping
Negation
Simple form
I couldn't gossip you couldn't gossip she couldn't gossip we couldn't gossip you couldn't gossip they couldn't gossip
V-ing form
I couldn't be gossiping you couldn't be gossiping she couldn't be gossiping we couldn't be gossiping you couldn't be gossiping they couldn't be gossiping
Perfect
I couldn't have gossiped you couldn't have gossiped she couldn't have gossiped we couldn't have gossiped you couldn't have gossiped they couldn't have gossiped
V-ing perfect
I couldn't have been gossiping you couldn't have been gossiping she couldn't have been gossiping we couldn't have been gossiping you couldn't have been gossiping they couldn't have been gossiping
Interrogative form
Simple form
could I gossip? could you gossip? could she gossip? could we gossip? could you gossip? could they gossip?
V-ing form
could I be gossiping? could you be gossiping? could she be gossiping? could we be gossiping? could you be gossiping? could they be gossiping?
Perfect
could I have gossiped? could you have gossiped? could she have gossiped? could we have gossiped? could you have gossiped? could they have gossiped?
V-ing perfect
could I have been gossiping? could you have been gossiping? could she have been gossiping? could we have been gossiping? could you have been gossiping? could they have been gossiping?
Interro-negative form
Simple form
couldn't I gossip? couldn't you gossip? couldn't she gossip? couldn't we gossip? couldn't you gossip? couldn't they gossip?
V-ing form
couldn't I be gossiping? couldn't you be gossiping? couldn't she be gossiping? couldn't we be gossiping? couldn't you be gossiping? couldn't they be gossiping?
Perfect
couldn't I have gossiped? couldn't you have gossiped? couldn't she have gossiped? couldn't we have gossiped? couldn't you have gossiped? couldn't they have gossiped?
V-ing perfect
couldn't I have been gossiping? couldn't you have been gossiping? couldn't she have been gossiping? couldn't we have been gossiping? couldn't you have been gossiping? couldn't they have been gossiping?