English verb conjugation
COULD BEHIND

Regular verb: behind - behinded - behinded

Affirmation

Simple form	V-ing form
I could behind you could behind he could behind we could behind you could behind they could behind	I could be behinding you could be behinding he could be behinding we could be behinding you could be behinding they could be behinding
Perfect	V-ing perfect
I could have behinded you could have behinded he could have behinded we could have behinded you could have behinded they could have behinded	I could have been behinding you could have been behinding he could have been behinding we could have been behinding you could have been behinding they could have been behinding

Negation

Simple form	V-ing form
I couldn't behind you couldn't behind he couldn't behind we couldn't behind you couldn't behind they couldn't behind	I couldn't be behinding you couldn't be behinding he couldn't be behinding we couldn't be behinding you couldn't be behinding they couldn't be behinding
Perfect	V-ing perfect
I couldn't have behinded you couldn't have behinded he couldn't have behinded we couldn't have behinded you couldn't have behinded they couldn't have behinded	I couldn't have been behinding you couldn't have been behinding he couldn't have been behinding we couldn't have been behinding you couldn't have been behinding they couldn't have been behinding

Interrogative form

Simple form	V-ing form
could I behind? could you behind? could he behind? could we behind? could you behind? could they behind?	could I be behinding? could you be behinding? could he be behinding? could we be behinding? could you be behinding? could they be behinding?
Perfect	V-ing perfect
could I have behinded? could you have behinded? could he have behinded? could we have behinded? could you have behinded? could they have behinded?	could I have been behinding? could you have been behinding? could he have been behinding? could we have been behinding? could you have been behinding? could they have been behinding?

Interro-negative form

Simple form	V-ing form
couldn't I behind? couldn't you behind? couldn't he behind? couldn't we behind? couldn't you behind? couldn't they behind?	couldn't I be behinding? couldn't you be behinding? couldn't he be behinding? couldn't we be behinding? couldn't you be behinding? couldn't they be behinding?
Perfect	V-ing perfect
couldn't I have behinded? couldn't you have behinded? couldn't he have behinded? couldn't we have behinded? couldn't you have behinded? couldn't they have behinded?	couldn't I have been behinding? couldn't you have been behinding? couldn't he have been behinding? couldn't we have been behinding? couldn't you have been behinding? couldn't they have been behinding?