can grope
Regular verb: grope - groped- groped

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

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot grope
you cannot grope
he cannot grope
we cannot grope
you cannot grope
they cannot grope 	I cannot be groping
you cannot be groping
he cannot be groping
we cannot be groping
you cannot be groping
they cannot be groping	I cannot have groped
you cannot have groped
he cannot have groped
we cannot have groped
you cannot have groped
they cannot have groped	I cannot have been groping
you cannot have been groping
he cannot have been groping
we cannot have been groping
you cannot have been groping
they cannot have been groping	

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

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not grope?
can you not grope?
can he not grope?
can we not grope?
can you not grope?
can they not grope? 	can I not be groping?
can you not be groping?
can he not be groping?
can we not be groping?
can you not be groping?
can they not be groping? 	can I not have groped?
can you not have groped?
can he not have groped?
can we not have groped?
can you not have groped?
can they not have groped? 	can I not have been groping?
can you not have been groping?
can he not have been groping?
can we not have been groping?
can you not have been groping?
can they not have been groping?