must grope
Verbo regular: grope - groped- groped

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must grope
you must grope
he must grope
we must grope
you must grope
they must grope 	I must be groping
you must be groping
he must be groping
we must be groping
you must be groping
they must be groping	I must have groped
you must have groped
he must have groped
we must have groped
you must have groped
they must have groped	I must have been groping
you must have been groping
he must have been groping
we must have been groping
you must have been groping
they must have been groping	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not grope
you must not grope
he must not grope
we must not grope
you must not grope
they must not grope 	I must not be groping
you must not be groping
he must not be groping
we must not be groping
you must not be groping
they must not be groping	I must not have groped
you must not have groped
he must not have groped
we must not have groped
you must not have groped
they must not have groped	I must not have been groping
you must not have been groping
he must not have been groping
we must not have been groping
you must not have been groping
they must not have been groping	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I grope?
must you grope?
must he grope?
must we grope?
must you grope?
must they grope? 	must I be groping?
must you be groping?
must he be groping?
must we be groping?
must you be groping?
must they be groping? 	must I have groped?
must you have groped?
must he have groped?
must we have groped?
must you have groped?
must they have groped? 	must I have been groping?
must you have been groping?
must he have been groping?
must we have been groping?
must you have been groping?
must they have been groping? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not grope?
must you not grope?
must he not grope?
must we not grope?
must you not grope?
must they not grope? 	must I not be groping?
must you not be groping?
must he not be groping?
must we not be groping?
must you not be groping?
must they not be groping? 	must I not have groped?
must you not have groped?
must he not have groped?
must we not have groped?
must you not have groped?
must they not have groped? 	must I not have been groping?
must you not have been groping?
must he not have been groping?
must we not have been groping?
must you not have been groping?
must they not have been groping?