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