English verb conjugation
COULD TRUNDLE

Regular verb: trundle - trundled - trundled

Affirmation

Simple form	V-ing form
I could trundle you could trundle he could trundle we could trundle you could trundle they could trundle	I could be trundling you could be trundling he could be trundling we could be trundling you could be trundling they could be trundling
Perfect	V-ing perfect
I could have trundled you could have trundled he could have trundled we could have trundled you could have trundled they could have trundled	I could have been trundling you could have been trundling he could have been trundling we could have been trundling you could have been trundling they could have been trundling

Negation

Simple form	V-ing form
I couldn't trundle you couldn't trundle he couldn't trundle we couldn't trundle you couldn't trundle they couldn't trundle	I couldn't be trundling you couldn't be trundling he couldn't be trundling we couldn't be trundling you couldn't be trundling they couldn't be trundling
Perfect	V-ing perfect
I couldn't have trundled you couldn't have trundled he couldn't have trundled we couldn't have trundled you couldn't have trundled they couldn't have trundled	I couldn't have been trundling you couldn't have been trundling he couldn't have been trundling we couldn't have been trundling you couldn't have been trundling they couldn't have been trundling

Interrogative form

Simple form	V-ing form
could I trundle? could you trundle? could he trundle? could we trundle? could you trundle? could they trundle?	could I be trundling? could you be trundling? could he be trundling? could we be trundling? could you be trundling? could they be trundling?
Perfect	V-ing perfect
could I have trundled? could you have trundled? could he have trundled? could we have trundled? could you have trundled? could they have trundled?	could I have been trundling? could you have been trundling? could he have been trundling? could we have been trundling? could you have been trundling? could they have been trundling?

Interro-negative form

Simple form	V-ing form
couldn't I trundle? couldn't you trundle? couldn't he trundle? couldn't we trundle? couldn't you trundle? couldn't they trundle?	couldn't I be trundling? couldn't you be trundling? couldn't he be trundling? couldn't we be trundling? couldn't you be trundling? couldn't they be trundling?
Perfect	V-ing perfect
couldn't I have trundled? couldn't you have trundled? couldn't he have trundled? couldn't we have trundled? couldn't you have trundled? couldn't they have trundled?	couldn't I have been trundling? couldn't you have been trundling? couldn't he have been trundling? couldn't we have been trundling? couldn't you have been trundling? couldn't they have been trundling?