English verb conjugation
COULD WEATHERSTRIP

Regular verb: weatherstrip - weatherstriped - weatherstriped

Affirmation

Simple form	V-ing form
I could weatherstrip you could weatherstrip she could weatherstrip we could weatherstrip you could weatherstrip they could weatherstrip	I could be weatherstriping you could be weatherstriping she 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 she 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 she 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 couldn't weatherstrip you couldn't weatherstrip she couldn't weatherstrip we couldn't weatherstrip you couldn't weatherstrip they couldn't weatherstrip	I couldn't be weatherstriping you couldn't be weatherstriping she couldn't be weatherstriping we couldn't be weatherstriping you couldn't be weatherstriping they couldn't be weatherstriping
Perfect	V-ing perfect
I couldn't have weatherstriped you couldn't have weatherstriped she couldn't have weatherstriped we couldn't have weatherstriped you couldn't have weatherstriped they couldn't have weatherstriped	I couldn't have been weatherstriping you couldn't have been weatherstriping she couldn't have been weatherstriping we couldn't have been weatherstriping you couldn't have been weatherstriping they couldn't have been weatherstriping

Interrogative form

Simple form	V-ing form
could I weatherstrip? could you weatherstrip? could she weatherstrip? could we weatherstrip? could you weatherstrip? could they weatherstrip?	could I be weatherstriping? could you be weatherstriping? could she 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 she 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 she 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
couldn't I weatherstrip? couldn't you weatherstrip? couldn't she weatherstrip? couldn't we weatherstrip? couldn't you weatherstrip? couldn't they weatherstrip?	couldn't I be weatherstriping? couldn't you be weatherstriping? couldn't she be weatherstriping? couldn't we be weatherstriping? couldn't you be weatherstriping? couldn't they be weatherstriping?
Perfect	V-ing perfect
couldn't I have weatherstriped? couldn't you have weatherstriped? couldn't she have weatherstriped? couldn't we have weatherstriped? couldn't you have weatherstriped? couldn't they have weatherstriped?	couldn't I have been weatherstriping? couldn't you have been weatherstriping? couldn't she have been weatherstriping? couldn't we have been weatherstriping? couldn't you have been weatherstriping? couldn't they have been weatherstriping?