English verb conjugation
COULD INTERLAP

Regular verb: interlap - interlaped - interlaped

Affirmation

Simple form	V-ing form
I could interlap you could interlap she could interlap we could interlap you could interlap they could interlap	I could be interlaping you could be interlaping she could be interlaping we could be interlaping you could be interlaping they could be interlaping
Perfect	V-ing perfect
I could have interlaped you could have interlaped she could have interlaped we could have interlaped you could have interlaped they could have interlaped	I could have been interlaping you could have been interlaping she could have been interlaping we could have been interlaping you could have been interlaping they could have been interlaping

Negation

Simple form	V-ing form
I couldn't interlap you couldn't interlap she couldn't interlap we couldn't interlap you couldn't interlap they couldn't interlap	I couldn't be interlaping you couldn't be interlaping she couldn't be interlaping we couldn't be interlaping you couldn't be interlaping they couldn't be interlaping
Perfect	V-ing perfect
I couldn't have interlaped you couldn't have interlaped she couldn't have interlaped we couldn't have interlaped you couldn't have interlaped they couldn't have interlaped	I couldn't have been interlaping you couldn't have been interlaping she couldn't have been interlaping we couldn't have been interlaping you couldn't have been interlaping they couldn't have been interlaping

Interrogative form

Simple form	V-ing form
could I interlap? could you interlap? could she interlap? could we interlap? could you interlap? could they interlap?	could I be interlaping? could you be interlaping? could she be interlaping? could we be interlaping? could you be interlaping? could they be interlaping?
Perfect	V-ing perfect
could I have interlaped? could you have interlaped? could she have interlaped? could we have interlaped? could you have interlaped? could they have interlaped?	could I have been interlaping? could you have been interlaping? could she have been interlaping? could we have been interlaping? could you have been interlaping? could they have been interlaping?

Interro-negative form

Simple form	V-ing form
couldn't I interlap? couldn't you interlap? couldn't she interlap? couldn't we interlap? couldn't you interlap? couldn't they interlap?	couldn't I be interlaping? couldn't you be interlaping? couldn't she be interlaping? couldn't we be interlaping? couldn't you be interlaping? couldn't they be interlaping?
Perfect	V-ing perfect
couldn't I have interlaped? couldn't you have interlaped? couldn't she have interlaped? couldn't we have interlaped? couldn't you have interlaped? couldn't they have interlaped?	couldn't I have been interlaping? couldn't you have been interlaping? couldn't she have been interlaping? couldn't we have been interlaping? couldn't you have been interlaping? couldn't they have been interlaping?