English verb conjugation
CAN MUDDLE

Regular verb: muddle - muddled - muddled

Affirmation

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

Negation

Simple form	V-ing form
I cannot muddle you cannot muddle he cannot muddle we cannot muddle you cannot muddle they cannot muddle	I cannot be muddling you cannot be muddling he cannot be muddling we cannot be muddling you cannot be muddling they cannot be muddling
Perfect	V-ing perfect
I cannot have muddled you cannot have muddled he cannot have muddled we cannot have muddled you cannot have muddled they cannot have muddled	I cannot have been muddling you cannot have been muddling he cannot have been muddling we cannot have been muddling you cannot have been muddling they cannot have been muddling

Interrogative form

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

Interro-negative form

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