English verb conjugation
COULD CASSEROLE

Regular verb: casserole - casseroled - casseroled

Affirmation

Simple form	V-ing form
I could casserole you could casserole he could casserole we could casserole you could casserole they could casserole	I could be casseroling you could be casseroling he could be casseroling we could be casseroling you could be casseroling they could be casseroling
Perfect	V-ing perfect
I could have casseroled you could have casseroled he could have casseroled we could have casseroled you could have casseroled they could have casseroled	I could have been casseroling you could have been casseroling he could have been casseroling we could have been casseroling you could have been casseroling they could have been casseroling

Negation

Simple form	V-ing form
I couldn't casserole you couldn't casserole he couldn't casserole we couldn't casserole you couldn't casserole they couldn't casserole	I couldn't be casseroling you couldn't be casseroling he couldn't be casseroling we couldn't be casseroling you couldn't be casseroling they couldn't be casseroling
Perfect	V-ing perfect
I couldn't have casseroled you couldn't have casseroled he couldn't have casseroled we couldn't have casseroled you couldn't have casseroled they couldn't have casseroled	I couldn't have been casseroling you couldn't have been casseroling he couldn't have been casseroling we couldn't have been casseroling you couldn't have been casseroling they couldn't have been casseroling

Interrogative form

Simple form	V-ing form
could I casserole? could you casserole? could he casserole? could we casserole? could you casserole? could they casserole?	could I be casseroling? could you be casseroling? could he be casseroling? could we be casseroling? could you be casseroling? could they be casseroling?
Perfect	V-ing perfect
could I have casseroled? could you have casseroled? could he have casseroled? could we have casseroled? could you have casseroled? could they have casseroled?	could I have been casseroling? could you have been casseroling? could he have been casseroling? could we have been casseroling? could you have been casseroling? could they have been casseroling?

Interro-negative form

Simple form	V-ing form
couldn't I casserole? couldn't you casserole? couldn't he casserole? couldn't we casserole? couldn't you casserole? couldn't they casserole?	couldn't I be casseroling? couldn't you be casseroling? couldn't he be casseroling? couldn't we be casseroling? couldn't you be casseroling? couldn't they be casseroling?
Perfect	V-ing perfect
couldn't I have casseroled? couldn't you have casseroled? couldn't he have casseroled? couldn't we have casseroled? couldn't you have casseroled? couldn't they have casseroled?	couldn't I have been casseroling? couldn't you have been casseroling? couldn't he have been casseroling? couldn't we have been casseroling? couldn't you have been casseroling? couldn't they have been casseroling?