English verb conjugation
COULD MUL

Regular verb: mul - muled - muled

Affirmation

Simple form	V-ing form
I could mul you could mul he could mul we could mul you could mul they could mul	I could be muling you could be muling he could be muling we could be muling you could be muling they could be muling
Perfect	V-ing perfect
I could have muled you could have muled he could have muled we could have muled you could have muled they could have muled	I could have been muling you could have been muling he could have been muling we could have been muling you could have been muling they could have been muling

Negation

Simple form	V-ing form
I could not mul you could not mul he could not mul we could not mul you could not mul they could not mul	I could not be muling you could not be muling he could not be muling we could not be muling you could not be muling they could not be muling
Perfect	V-ing perfect
I could not have muled you could not have muled he could not have muled we could not have muled you could not have muled they could not have muled	I could not have been muling you could not have been muling he could not have been muling we could not have been muling you could not have been muling they could not have been muling

Interrogative form

Simple form	V-ing form
could I mul? could you mul? could he mul? could we mul? could you mul? could they mul?	could I be muling? could you be muling? could he be muling? could we be muling? could you be muling? could they be muling?
Perfect	V-ing perfect
could I have muled? could you have muled? could he have muled? could we have muled? could you have muled? could they have muled?	could I have been muling? could you have been muling? could he have been muling? could we have been muling? could you have been muling? could they have been muling?

Interro-negative form

Simple form	V-ing form
could I not mul? could you not mul? could he not mul? could we not mul? could you not mul? could they not mul?	could I not be muling? could you not be muling? could he not be muling? could we not be muling? could you not be muling? could they not be muling?
Perfect	V-ing perfect
could I not have muled? could you not have muled? could he not have muled? could we not have muled? could you not have muled? could they not have muled?	could I not have been muling? could you not have been muling? could he not have been muling? could we not have been muling? could you not have been muling? could they not have been muling?