English verb conjugation
COULD TRICE

Regular verb: trice - triced - triced

Affirmation

Simple form	V-ing form
I could trice you could trice he could trice we could trice you could trice they could trice	I could be tricing you could be tricing he could be tricing we could be tricing you could be tricing they could be tricing
Perfect	V-ing perfect
I could have triced you could have triced he could have triced we could have triced you could have triced they could have triced	I could have been tricing you could have been tricing he could have been tricing we could have been tricing you could have been tricing they could have been tricing

Negation

Simple form	V-ing form
I couldn't trice you couldn't trice he couldn't trice we couldn't trice you couldn't trice they couldn't trice	I couldn't be tricing you couldn't be tricing he couldn't be tricing we couldn't be tricing you couldn't be tricing they couldn't be tricing
Perfect	V-ing perfect
I couldn't have triced you couldn't have triced he couldn't have triced we couldn't have triced you couldn't have triced they couldn't have triced	I couldn't have been tricing you couldn't have been tricing he couldn't have been tricing we couldn't have been tricing you couldn't have been tricing they couldn't have been tricing

Interrogative form

Simple form	V-ing form
could I trice? could you trice? could he trice? could we trice? could you trice? could they trice?	could I be tricing? could you be tricing? could he be tricing? could we be tricing? could you be tricing? could they be tricing?
Perfect	V-ing perfect
could I have triced? could you have triced? could he have triced? could we have triced? could you have triced? could they have triced?	could I have been tricing? could you have been tricing? could he have been tricing? could we have been tricing? could you have been tricing? could they have been tricing?

Interro-negative form

Simple form	V-ing form
couldn't I trice? couldn't you trice? couldn't he trice? couldn't we trice? couldn't you trice? couldn't they trice?	couldn't I be tricing? couldn't you be tricing? couldn't he be tricing? couldn't we be tricing? couldn't you be tricing? couldn't they be tricing?
Perfect	V-ing perfect
couldn't I have triced? couldn't you have triced? couldn't he have triced? couldn't we have triced? couldn't you have triced? couldn't they have triced?	couldn't I have been tricing? couldn't you have been tricing? couldn't he have been tricing? couldn't we have been tricing? couldn't you have been tricing? couldn't they have been tricing?