English verb conjugation
COULD MUDDY

Regular verb: muddy - muddied - muddied

Affirmation

Simple form	V-ing form
I could muddy you could muddy he could muddy we could muddy you could muddy they could muddy	I could be muddying you could be muddying he could be muddying we could be muddying you could be muddying they could be muddying
Perfect	V-ing perfect
I could have muddied you could have muddied he could have muddied we could have muddied you could have muddied they could have muddied	I could have been muddying you could have been muddying he could have been muddying we could have been muddying you could have been muddying they could have been muddying

Negation

Simple form	V-ing form
I couldn't muddy you couldn't muddy he couldn't muddy we couldn't muddy you couldn't muddy they couldn't muddy	I couldn't be muddying you couldn't be muddying he couldn't be muddying we couldn't be muddying you couldn't be muddying they couldn't be muddying
Perfect	V-ing perfect
I couldn't have muddied you couldn't have muddied he couldn't have muddied we couldn't have muddied you couldn't have muddied they couldn't have muddied	I couldn't have been muddying you couldn't have been muddying he couldn't have been muddying we couldn't have been muddying you couldn't have been muddying they couldn't have been muddying

Interrogative form

Simple form	V-ing form
could I muddy? could you muddy? could he muddy? could we muddy? could you muddy? could they muddy?	could I be muddying? could you be muddying? could he be muddying? could we be muddying? could you be muddying? could they be muddying?
Perfect	V-ing perfect
could I have muddied? could you have muddied? could he have muddied? could we have muddied? could you have muddied? could they have muddied?	could I have been muddying? could you have been muddying? could he have been muddying? could we have been muddying? could you have been muddying? could they have been muddying?

Interro-negative form

Simple form	V-ing form
couldn't I muddy? couldn't you muddy? couldn't he muddy? couldn't we muddy? couldn't you muddy? couldn't they muddy?	couldn't I be muddying? couldn't you be muddying? couldn't he be muddying? couldn't we be muddying? couldn't you be muddying? couldn't they be muddying?
Perfect	V-ing perfect
couldn't I have muddied? couldn't you have muddied? couldn't he have muddied? couldn't we have muddied? couldn't you have muddied? couldn't they have muddied?	couldn't I have been muddying? couldn't you have been muddying? couldn't he have been muddying? couldn't we have been muddying? couldn't you have been muddying? couldn't they have been muddying?