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 couldn't tootle you couldn't tootle he couldn't tootle we couldn't tootle you couldn't tootle they couldn't tootle	I couldn't be tootling you couldn't be tootling he couldn't be tootling we couldn't be tootling you couldn't be tootling they couldn't be tootling
Perfect	V-ing perfect
I couldn't have tootled you couldn't have tootled he couldn't have tootled we couldn't have tootled you couldn't have tootled they couldn't have tootled	I couldn't have been tootling you couldn't have been tootling he couldn't have been tootling we couldn't have been tootling you couldn't have been tootling they couldn't 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
couldn't I tootle? couldn't you tootle? couldn't he tootle? couldn't we tootle? couldn't you tootle? couldn't they tootle?	couldn't I be tootling? couldn't you be tootling? couldn't he be tootling? couldn't we be tootling? couldn't you be tootling? couldn't they be tootling?
Perfect	V-ing perfect
couldn't I have tootled? couldn't you have tootled? couldn't he have tootled? couldn't we have tootled? couldn't you have tootled? couldn't they have tootled?	couldn't I have been tootling? couldn't you have been tootling? couldn't he have been tootling? couldn't we have been tootling? couldn't you have been tootling? couldn't they have been tootling?