English verb conjugation
COULD STRIPE

Regular verb: stripe - striped - striped

Affirmation

Simple form	V-ing form
I could stripe you could stripe he could stripe we could stripe you could stripe they could stripe	I could be striping you could be striping he could be striping we could be striping you could be striping they could be striping
Perfect	V-ing perfect
I could have striped you could have striped he could have striped we could have striped you could have striped they could have striped	I could have been striping you could have been striping he could have been striping we could have been striping you could have been striping they could have been striping

Negation

Simple form	V-ing form
I couldn't stripe you couldn't stripe he couldn't stripe we couldn't stripe you couldn't stripe they couldn't stripe	I couldn't be striping you couldn't be striping he couldn't be striping we couldn't be striping you couldn't be striping they couldn't be striping
Perfect	V-ing perfect
I couldn't have striped you couldn't have striped he couldn't have striped we couldn't have striped you couldn't have striped they couldn't have striped	I couldn't have been striping you couldn't have been striping he couldn't have been striping we couldn't have been striping you couldn't have been striping they couldn't have been striping

Interrogative form

Simple form	V-ing form
could I stripe? could you stripe? could he stripe? could we stripe? could you stripe? could they stripe?	could I be striping? could you be striping? could he be striping? could we be striping? could you be striping? could they be striping?
Perfect	V-ing perfect
could I have striped? could you have striped? could he have striped? could we have striped? could you have striped? could they have striped?	could I have been striping? could you have been striping? could he have been striping? could we have been striping? could you have been striping? could they have been striping?

Interro-negative form

Simple form	V-ing form
couldn't I stripe? couldn't you stripe? couldn't he stripe? couldn't we stripe? couldn't you stripe? couldn't they stripe?	couldn't I be striping? couldn't you be striping? couldn't he be striping? couldn't we be striping? couldn't you be striping? couldn't they be striping?
Perfect	V-ing perfect
couldn't I have striped? couldn't you have striped? couldn't he have striped? couldn't we have striped? couldn't you have striped? couldn't they have striped?	couldn't I have been striping? couldn't you have been striping? couldn't he have been striping? couldn't we have been striping? couldn't you have been striping? couldn't they have been striping?