English verb conjugation
COULD RANKLE

Regular verb: rankle - rankled - rankled

Affirmation

Simple form	V-ing form
I could rankle you could rankle he could rankle we could rankle you could rankle they could rankle	I could be rankling you could be rankling he could be rankling we could be rankling you could be rankling they could be rankling
Perfect	V-ing perfect
I could have rankled you could have rankled he could have rankled we could have rankled you could have rankled they could have rankled	I could have been rankling you could have been rankling he could have been rankling we could have been rankling you could have been rankling they could have been rankling

Negation

Simple form	V-ing form
I couldn't rankle you couldn't rankle he couldn't rankle we couldn't rankle you couldn't rankle they couldn't rankle	I couldn't be rankling you couldn't be rankling he couldn't be rankling we couldn't be rankling you couldn't be rankling they couldn't be rankling
Perfect	V-ing perfect
I couldn't have rankled you couldn't have rankled he couldn't have rankled we couldn't have rankled you couldn't have rankled they couldn't have rankled	I couldn't have been rankling you couldn't have been rankling he couldn't have been rankling we couldn't have been rankling you couldn't have been rankling they couldn't have been rankling

Interrogative form

Simple form	V-ing form
could I rankle? could you rankle? could he rankle? could we rankle? could you rankle? could they rankle?	could I be rankling? could you be rankling? could he be rankling? could we be rankling? could you be rankling? could they be rankling?
Perfect	V-ing perfect
could I have rankled? could you have rankled? could he have rankled? could we have rankled? could you have rankled? could they have rankled?	could I have been rankling? could you have been rankling? could he have been rankling? could we have been rankling? could you have been rankling? could they have been rankling?

Interro-negative form

Simple form	V-ing form
couldn't I rankle? couldn't you rankle? couldn't he rankle? couldn't we rankle? couldn't you rankle? couldn't they rankle?	couldn't I be rankling? couldn't you be rankling? couldn't he be rankling? couldn't we be rankling? couldn't you be rankling? couldn't they be rankling?
Perfect	V-ing perfect
couldn't I have rankled? couldn't you have rankled? couldn't he have rankled? couldn't we have rankled? couldn't you have rankled? couldn't they have rankled?	couldn't I have been rankling? couldn't you have been rankling? couldn't he have been rankling? couldn't we have been rankling? couldn't you have been rankling? couldn't they have been rankling?