could grope
Regular verb: grope - groped- groped

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