English verb conjugation
COULD WEATHERSTRIP

Regular verb: weatherstrip - weatherstriped - weatherstriped

Affirmation

Simple form	V-ing form
I could weatherstrip you could weatherstrip he could weatherstrip we could weatherstrip you could weatherstrip they could weatherstrip	I could be weatherstriping you could be weatherstriping he could be weatherstriping we could be weatherstriping you could be weatherstriping they could be weatherstriping
Perfect	V-ing perfect
I could have weatherstriped you could have weatherstriped he could have weatherstriped we could have weatherstriped you could have weatherstriped they could have weatherstriped	I could have been weatherstriping you could have been weatherstriping he could have been weatherstriping we could have been weatherstriping you could have been weatherstriping they could have been weatherstriping

Negation

Simple form	V-ing form
I could not weatherstrip you could not weatherstrip he could not weatherstrip we could not weatherstrip you could not weatherstrip they could not weatherstrip	I could not be weatherstriping you could not be weatherstriping he could not be weatherstriping we could not be weatherstriping you could not be weatherstriping they could not be weatherstriping
Perfect	V-ing perfect
I could not have weatherstriped you could not have weatherstriped he could not have weatherstriped we could not have weatherstriped you could not have weatherstriped they could not have weatherstriped	I could not have been weatherstriping you could not have been weatherstriping he could not have been weatherstriping we could not have been weatherstriping you could not have been weatherstriping they could not have been weatherstriping

Interrogative form

Simple form	V-ing form
could I weatherstrip? could you weatherstrip? could he weatherstrip? could we weatherstrip? could you weatherstrip? could they weatherstrip?	could I be weatherstriping? could you be weatherstriping? could he be weatherstriping? could we be weatherstriping? could you be weatherstriping? could they be weatherstriping?
Perfect	V-ing perfect
could I have weatherstriped? could you have weatherstriped? could he have weatherstriped? could we have weatherstriped? could you have weatherstriped? could they have weatherstriped?	could I have been weatherstriping? could you have been weatherstriping? could he have been weatherstriping? could we have been weatherstriping? could you have been weatherstriping? could they have been weatherstriping?

Interro-negative form

Simple form	V-ing form
could I not weatherstrip? could you not weatherstrip? could he not weatherstrip? could we not weatherstrip? could you not weatherstrip? could they not weatherstrip?	could I not be weatherstriping? could you not be weatherstriping? could he not be weatherstriping? could we not be weatherstriping? could you not be weatherstriping? could they not be weatherstriping?
Perfect	V-ing perfect
could I not have weatherstriped? could you not have weatherstriped? could he not have weatherstriped? could we not have weatherstriped? could you not have weatherstriped? could they not have weatherstriped?	could I not have been weatherstriping? could you not have been weatherstriping? could he not have been weatherstriping? could we not have been weatherstriping? could you not have been weatherstriping? could they not have been weatherstriping?