English verb conjugation
COULD TRICK

Regular verb: trick - tricked - tricked

Affirmation

Simple form	V-ing form
I could trick you could trick he could trick we could trick you could trick they could trick	I could be tricking you could be tricking he could be tricking we could be tricking you could be tricking they could be tricking
Perfect	V-ing perfect
I could have tricked you could have tricked he could have tricked we could have tricked you could have tricked they could have tricked	I could have been tricking you could have been tricking he could have been tricking we could have been tricking you could have been tricking they could have been tricking

Negation

Simple form	V-ing form
I couldn't trick you couldn't trick he couldn't trick we couldn't trick you couldn't trick they couldn't trick	I couldn't be tricking you couldn't be tricking he couldn't be tricking we couldn't be tricking you couldn't be tricking they couldn't be tricking
Perfect	V-ing perfect
I couldn't have tricked you couldn't have tricked he couldn't have tricked we couldn't have tricked you couldn't have tricked they couldn't have tricked	I couldn't have been tricking you couldn't have been tricking he couldn't have been tricking we couldn't have been tricking you couldn't have been tricking they couldn't have been tricking

Interrogative form

Simple form	V-ing form
could I trick? could you trick? could he trick? could we trick? could you trick? could they trick?	could I be tricking? could you be tricking? could he be tricking? could we be tricking? could you be tricking? could they be tricking?
Perfect	V-ing perfect
could I have tricked? could you have tricked? could he have tricked? could we have tricked? could you have tricked? could they have tricked?	could I have been tricking? could you have been tricking? could he have been tricking? could we have been tricking? could you have been tricking? could they have been tricking?

Interro-negative form

Simple form	V-ing form
couldn't I trick? couldn't you trick? couldn't he trick? couldn't we trick? couldn't you trick? couldn't they trick?	couldn't I be tricking? couldn't you be tricking? couldn't he be tricking? couldn't we be tricking? couldn't you be tricking? couldn't they be tricking?
Perfect	V-ing perfect
couldn't I have tricked? couldn't you have tricked? couldn't he have tricked? couldn't we have tricked? couldn't you have tricked? couldn't they have tricked?	couldn't I have been tricking? couldn't you have been tricking? couldn't he have been tricking? couldn't we have been tricking? couldn't you have been tricking? couldn't they have been tricking?