English verb conjugation
COULD TOOTLE

Regular verb: tootle - tootled - tootled

Affirmation

Simple form	V-ing form
I could tootle you could tootle he could tootle we could tootle you could tootle they could tootle	I could be tootling you could be tootling he could be tootling we could be tootling you could be tootling they could be tootling
Perfect	V-ing perfect
I could have tootled you could have tootled he could have tootled we could have tootled you could have tootled they could have tootled	I could have been tootling you could have been tootling he could have been tootling we could have been tootling you could have been tootling they could have been tootling

Negation

Simple form	V-ing form
I could not tootle you could not tootle he could not tootle we could not tootle you could not tootle they could not tootle	I could not be tootling you could not be tootling he could not be tootling we could not be tootling you could not be tootling they could not be tootling
Perfect	V-ing perfect
I could not have tootled you could not have tootled he could not have tootled we could not have tootled you could not have tootled they could not have tootled	I could not have been tootling you could not have been tootling he could not have been tootling we could not have been tootling you could not have been tootling they could not have been tootling

Interrogative form

Simple form	V-ing form
could I tootle? could you tootle? could he tootle? could we tootle? could you tootle? could they tootle?	could I be tootling? could you be tootling? could he be tootling? could we be tootling? could you be tootling? could they be tootling?
Perfect	V-ing perfect
could I have tootled? could you have tootled? could he have tootled? could we have tootled? could you have tootled? could they have tootled?	could I have been tootling? could you have been tootling? could he have been tootling? could we have been tootling? could you have been tootling? could they have been tootling?

Interro-negative form

Simple form	V-ing form
could I not tootle? could you not tootle? could he not tootle? could we not tootle? could you not tootle? could they not tootle?	could I not be tootling? could you not be tootling? could he not be tootling? could we not be tootling? could you not be tootling? could they not be tootling?
Perfect	V-ing perfect
could I not have tootled? could you not have tootled? could he not have tootled? could we not have tootled? could you not have tootled? could they not have tootled?	could I not have been tootling? could you not have been tootling? could he not have been tootling? could we not have been tootling? could you not have been tootling? could they not have been tootling?