English verb conjugation
COULD GROPE

Regular verb: grope - groped - groped

Affirmation

Simple form	V-ing form
I could grope you could grope he could grope we could grope you could grope they could grope	I could be groping you could be groping he could be groping we could be groping you could be groping they could be groping
Perfect	V-ing perfect
I could have groped you could have groped he could have groped we could have groped you could have groped they could have groped	I could have been groping you could have been groping he could have been groping we could have been groping you could have been groping they could have been groping

Negation

Simple form	V-ing form
I couldn't grope you couldn't grope he couldn't grope we couldn't grope you couldn't grope they couldn't grope	I couldn't be groping you couldn't be groping he couldn't be groping we couldn't be groping you couldn't be groping they couldn't be groping
Perfect	V-ing perfect
I couldn't have groped you couldn't have groped he couldn't have groped we couldn't have groped you couldn't have groped they couldn't have groped	I couldn't have been groping you couldn't have been groping he couldn't have been groping we couldn't have been groping you couldn't have been groping they couldn't have been groping

Interrogative form

Simple form	V-ing form
could I grope? could you grope? could he grope? could we grope? could you grope? could they grope?	could I be groping? could you be groping? could he be groping? could we be groping? could you be groping? could they be groping?
Perfect	V-ing perfect
could I have groped? could you have groped? could he have groped? could we have groped? could you have groped? could they have groped?	could I have been groping? could you have been groping? could he have been groping? could we have been groping? could you have been groping? could they have been groping?

Interro-negative form

Simple form	V-ing form
couldn't I grope? couldn't you grope? couldn't he grope? couldn't we grope? couldn't you grope? couldn't they grope?	couldn't I be groping? couldn't you be groping? couldn't he be groping? couldn't we be groping? couldn't you be groping? couldn't they be groping?
Perfect	V-ing perfect
couldn't I have groped? couldn't you have groped? couldn't he have groped? couldn't we have groped? couldn't you have groped? couldn't they have groped?	couldn't I have been groping? couldn't you have been groping? couldn't he have been groping? couldn't we have been groping? couldn't you have been groping? couldn't they have been groping?