English verb conjugation
COULD MUDDLE

Regular verb: muddle - muddled - muddled

Affirmation

Simple form	V-ing form
I could muddle you could muddle she could muddle we could muddle you could muddle they could muddle	I could be muddling you could be muddling she could be muddling we could be muddling you could be muddling they could be muddling
Perfect	V-ing perfect
I could have muddled you could have muddled she could have muddled we could have muddled you could have muddled they could have muddled	I could have been muddling you could have been muddling she could have been muddling we could have been muddling you could have been muddling they could have been muddling

Negation

Simple form	V-ing form
I could not muddle you could not muddle she could not muddle we could not muddle you could not muddle they could not muddle	I could not be muddling you could not be muddling she could not be muddling we could not be muddling you could not be muddling they could not be muddling
Perfect	V-ing perfect
I could not have muddled you could not have muddled she could not have muddled we could not have muddled you could not have muddled they could not have muddled	I could not have been muddling you could not have been muddling she could not have been muddling we could not have been muddling you could not have been muddling they could not have been muddling

Interrogative form

Simple form	V-ing form
could I muddle? could you muddle? could she muddle? could we muddle? could you muddle? could they muddle?	could I be muddling? could you be muddling? could she be muddling? could we be muddling? could you be muddling? could they be muddling?
Perfect	V-ing perfect
could I have muddled? could you have muddled? could she have muddled? could we have muddled? could you have muddled? could they have muddled?	could I have been muddling? could you have been muddling? could she have been muddling? could we have been muddling? could you have been muddling? could they have been muddling?

Interro-negative form

Simple form	V-ing form
could I not muddle? could you not muddle? could she not muddle? could we not muddle? could you not muddle? could they not muddle?	could I not be muddling? could you not be muddling? could she not be muddling? could we not be muddling? could you not be muddling? could they not be muddling?
Perfect	V-ing perfect
could I not have muddled? could you not have muddled? could she not have muddled? could we not have muddled? could you not have muddled? could they not have muddled?	could I not have been muddling? could you not have been muddling? could she not have been muddling? could we not have been muddling? could you not have been muddling? could they not have been muddling?