English verb conjugation
COULD UNICYCLE

Regular verb: unicycle - unicycled - unicycled

Affirmation

Simple form	V-ing form
I could unicycle you could unicycle he could unicycle we could unicycle you could unicycle they could unicycle	I could be unicycling you could be unicycling he could be unicycling we could be unicycling you could be unicycling they could be unicycling
Perfect	V-ing perfect
I could have unicycled you could have unicycled he could have unicycled we could have unicycled you could have unicycled they could have unicycled	I could have been unicycling you could have been unicycling he could have been unicycling we could have been unicycling you could have been unicycling they could have been unicycling

Negation

Simple form	V-ing form
I could not unicycle you could not unicycle he could not unicycle we could not unicycle you could not unicycle they could not unicycle	I could not be unicycling you could not be unicycling he could not be unicycling we could not be unicycling you could not be unicycling they could not be unicycling
Perfect	V-ing perfect
I could not have unicycled you could not have unicycled he could not have unicycled we could not have unicycled you could not have unicycled they could not have unicycled	I could not have been unicycling you could not have been unicycling he could not have been unicycling we could not have been unicycling you could not have been unicycling they could not have been unicycling

Interrogative form

Simple form	V-ing form
could I unicycle? could you unicycle? could he unicycle? could we unicycle? could you unicycle? could they unicycle?	could I be unicycling? could you be unicycling? could he be unicycling? could we be unicycling? could you be unicycling? could they be unicycling?
Perfect	V-ing perfect
could I have unicycled? could you have unicycled? could he have unicycled? could we have unicycled? could you have unicycled? could they have unicycled?	could I have been unicycling? could you have been unicycling? could he have been unicycling? could we have been unicycling? could you have been unicycling? could they have been unicycling?

Interro-negative form

Simple form	V-ing form
could I not unicycle? could you not unicycle? could he not unicycle? could we not unicycle? could you not unicycle? could they not unicycle?	could I not be unicycling? could you not be unicycling? could he not be unicycling? could we not be unicycling? could you not be unicycling? could they not be unicycling?
Perfect	V-ing perfect
could I not have unicycled? could you not have unicycled? could he not have unicycled? could we not have unicycled? could you not have unicycled? could they not have unicycled?	could I not have been unicycling? could you not have been unicycling? could he not have been unicycling? could we not have been unicycling? could you not have been unicycling? could they not have been unicycling?