English verb conjugation
COULD TRICYCLE

Regular verb: tricycle - tricycled - tricycled

Affirmation

Simple form	V-ing form
I could tricycle you could tricycle he could tricycle we could tricycle you could tricycle they could tricycle	I could be tricycling you could be tricycling he could be tricycling we could be tricycling you could be tricycling they could be tricycling
Perfect	V-ing perfect
I could have tricycled you could have tricycled he could have tricycled we could have tricycled you could have tricycled they could have tricycled	I could have been tricycling you could have been tricycling he could have been tricycling we could have been tricycling you could have been tricycling they could have been tricycling

Negation

Simple form	V-ing form
I could not tricycle you could not tricycle he could not tricycle we could not tricycle you could not tricycle they could not tricycle	I could not be tricycling you could not be tricycling he could not be tricycling we could not be tricycling you could not be tricycling they could not be tricycling
Perfect	V-ing perfect
I could not have tricycled you could not have tricycled he could not have tricycled we could not have tricycled you could not have tricycled they could not have tricycled	I could not have been tricycling you could not have been tricycling he could not have been tricycling we could not have been tricycling you could not have been tricycling they could not have been tricycling

Interrogative form

Simple form	V-ing form
could I tricycle? could you tricycle? could he tricycle? could we tricycle? could you tricycle? could they tricycle?	could I be tricycling? could you be tricycling? could he be tricycling? could we be tricycling? could you be tricycling? could they be tricycling?
Perfect	V-ing perfect
could I have tricycled? could you have tricycled? could he have tricycled? could we have tricycled? could you have tricycled? could they have tricycled?	could I have been tricycling? could you have been tricycling? could he have been tricycling? could we have been tricycling? could you have been tricycling? could they have been tricycling?

Interro-negative form

Simple form	V-ing form
could I not tricycle? could you not tricycle? could he not tricycle? could we not tricycle? could you not tricycle? could they not tricycle?	could I not be tricycling? could you not be tricycling? could he not be tricycling? could we not be tricycling? could you not be tricycling? could they not be tricycling?
Perfect	V-ing perfect
could I not have tricycled? could you not have tricycled? could he not have tricycled? could we not have tricycled? could you not have tricycled? could they not have tricycled?	could I not have been tricycling? could you not have been tricycling? could he not have been tricycling? could we not have been tricycling? could you not have been tricycling? could they not have been tricycling?