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 couldn't muddle you couldn't muddle she couldn't muddle we couldn't muddle you couldn't muddle they couldn't muddle	I couldn't be muddling you couldn't be muddling she couldn't be muddling we couldn't be muddling you couldn't be muddling they couldn't be muddling
Perfect	V-ing perfect
I couldn't have muddled you couldn't have muddled she couldn't have muddled we couldn't have muddled you couldn't have muddled they couldn't have muddled	I couldn't have been muddling you couldn't have been muddling she couldn't have been muddling we couldn't have been muddling you couldn't have been muddling they couldn't 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
couldn't I muddle? couldn't you muddle? couldn't she muddle? couldn't we muddle? couldn't you muddle? couldn't they muddle?	couldn't I be muddling? couldn't you be muddling? couldn't she be muddling? couldn't we be muddling? couldn't you be muddling? couldn't they be muddling?
Perfect	V-ing perfect
couldn't I have muddled? couldn't you have muddled? couldn't she have muddled? couldn't we have muddled? couldn't you have muddled? couldn't they have muddled?	couldn't I have been muddling? couldn't you have been muddling? couldn't she have been muddling? couldn't we have been muddling? couldn't you have been muddling? couldn't they have been muddling?