I could shilly-shally you could shilly-shally he could shilly-shally we could shilly-shally you could shilly-shally they could shilly-shally
V-ing form
I could be shilly-shallying you could be shilly-shallying he could be shilly-shallying we could be shilly-shallying you could be shilly-shallying they could be shilly-shallying
Perfect
I could have shilly-shallied you could have shilly-shallied he could have shilly-shallied we could have shilly-shallied you could have shilly-shallied they could have shilly-shallied
V-ing perfect
I could have been shilly-shallying you could have been shilly-shallying he could have been shilly-shallying we could have been shilly-shallying you could have been shilly-shallying they could have been shilly-shallying
Negation
Simple form
I couldn't shilly-shally you couldn't shilly-shally he couldn't shilly-shally we couldn't shilly-shally you couldn't shilly-shally they couldn't shilly-shally
V-ing form
I couldn't be shilly-shallying you couldn't be shilly-shallying he couldn't be shilly-shallying we couldn't be shilly-shallying you couldn't be shilly-shallying they couldn't be shilly-shallying
Perfect
I couldn't have shilly-shallied you couldn't have shilly-shallied he couldn't have shilly-shallied we couldn't have shilly-shallied you couldn't have shilly-shallied they couldn't have shilly-shallied
V-ing perfect
I couldn't have been shilly-shallying you couldn't have been shilly-shallying he couldn't have been shilly-shallying we couldn't have been shilly-shallying you couldn't have been shilly-shallying they couldn't have been shilly-shallying
Interrogative form
Simple form
could I shilly-shally? could you shilly-shally? could he shilly-shally? could we shilly-shally? could you shilly-shally? could they shilly-shally?
V-ing form
could I be shilly-shallying? could you be shilly-shallying? could he be shilly-shallying? could we be shilly-shallying? could you be shilly-shallying? could they be shilly-shallying?
Perfect
could I have shilly-shallied? could you have shilly-shallied? could he have shilly-shallied? could we have shilly-shallied? could you have shilly-shallied? could they have shilly-shallied?
V-ing perfect
could I have been shilly-shallying? could you have been shilly-shallying? could he have been shilly-shallying? could we have been shilly-shallying? could you have been shilly-shallying? could they have been shilly-shallying?
Interro-negative form
Simple form
couldn't I shilly-shally? couldn't you shilly-shally? couldn't he shilly-shally? couldn't we shilly-shally? couldn't you shilly-shally? couldn't they shilly-shally?
V-ing form
couldn't I be shilly-shallying? couldn't you be shilly-shallying? couldn't he be shilly-shallying? couldn't we be shilly-shallying? couldn't you be shilly-shallying? couldn't they be shilly-shallying?
Perfect
couldn't I have shilly-shallied? couldn't you have shilly-shallied? couldn't he have shilly-shallied? couldn't we have shilly-shallied? couldn't you have shilly-shallied? couldn't they have shilly-shallied?
V-ing perfect
couldn't I have been shilly-shallying? couldn't you have been shilly-shallying? couldn't he have been shilly-shallying? couldn't we have been shilly-shallying? couldn't you have been shilly-shallying? couldn't they have been shilly-shallying?