English verb conjugation
COULD ARM-WRESTLE

Regular verb: arm-wrestle - arm-wrestled - arm-wrestled

Affirmation

Simple form	V-ing form
I could arm-wrestle you could arm-wrestle he could arm-wrestle we could arm-wrestle you could arm-wrestle they could arm-wrestle	I could be arm-wrestling you could be arm-wrestling he could be arm-wrestling we could be arm-wrestling you could be arm-wrestling they could be arm-wrestling
Perfect	V-ing perfect
I could have arm-wrestled you could have arm-wrestled he could have arm-wrestled we could have arm-wrestled you could have arm-wrestled they could have arm-wrestled	I could have been arm-wrestling you could have been arm-wrestling he could have been arm-wrestling we could have been arm-wrestling you could have been arm-wrestling they could have been arm-wrestling

Negation

Simple form	V-ing form
I couldn't arm-wrestle you couldn't arm-wrestle he couldn't arm-wrestle we couldn't arm-wrestle you couldn't arm-wrestle they couldn't arm-wrestle	I couldn't be arm-wrestling you couldn't be arm-wrestling he couldn't be arm-wrestling we couldn't be arm-wrestling you couldn't be arm-wrestling they couldn't be arm-wrestling
Perfect	V-ing perfect
I couldn't have arm-wrestled you couldn't have arm-wrestled he couldn't have arm-wrestled we couldn't have arm-wrestled you couldn't have arm-wrestled they couldn't have arm-wrestled	I couldn't have been arm-wrestling you couldn't have been arm-wrestling he couldn't have been arm-wrestling we couldn't have been arm-wrestling you couldn't have been arm-wrestling they couldn't have been arm-wrestling

Interrogative form

Simple form	V-ing form
could I arm-wrestle? could you arm-wrestle? could he arm-wrestle? could we arm-wrestle? could you arm-wrestle? could they arm-wrestle?	could I be arm-wrestling? could you be arm-wrestling? could he be arm-wrestling? could we be arm-wrestling? could you be arm-wrestling? could they be arm-wrestling?
Perfect	V-ing perfect
could I have arm-wrestled? could you have arm-wrestled? could he have arm-wrestled? could we have arm-wrestled? could you have arm-wrestled? could they have arm-wrestled?	could I have been arm-wrestling? could you have been arm-wrestling? could he have been arm-wrestling? could we have been arm-wrestling? could you have been arm-wrestling? could they have been arm-wrestling?

Interro-negative form

Simple form	V-ing form
couldn't I arm-wrestle? couldn't you arm-wrestle? couldn't he arm-wrestle? couldn't we arm-wrestle? couldn't you arm-wrestle? couldn't they arm-wrestle?	couldn't I be arm-wrestling? couldn't you be arm-wrestling? couldn't he be arm-wrestling? couldn't we be arm-wrestling? couldn't you be arm-wrestling? couldn't they be arm-wrestling?
Perfect	V-ing perfect
couldn't I have arm-wrestled? couldn't you have arm-wrestled? couldn't he have arm-wrestled? couldn't we have arm-wrestled? couldn't you have arm-wrestled? couldn't they have arm-wrestled?	couldn't I have been arm-wrestling? couldn't you have been arm-wrestling? couldn't he have been arm-wrestling? couldn't we have been arm-wrestling? couldn't you have been arm-wrestling? couldn't they have been arm-wrestling?