may grouch
Regular verb: grouch - grouched- grouched

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may grouch
you may grouch
he may grouch
we may grouch
you may grouch
they may grouch 	I may be grouching
you may be grouching
he may be grouching
we may be grouching
you may be grouching
they may be grouching	I may have grouched
you may have grouched
he may have grouched
we may have grouched
you may have grouched
they may have grouched	I may have been grouching
you may have been grouching
he may have been grouching
we may have been grouching
you may have been grouching
they may have been grouching	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't grouch
you mayn't grouch
he mayn't grouch
we mayn't grouch
you mayn't grouch
they mayn't grouch 	I mayn't be grouching
you mayn't be grouching
he mayn't be grouching
we mayn't be grouching
you mayn't be grouching
they mayn't be grouching	I mayn't have grouched
you mayn't have grouched
he mayn't have grouched
we mayn't have grouched
you mayn't have grouched
they mayn't have grouched	I mayn't have been grouching
you mayn't have been grouching
he mayn't have been grouching
we mayn't have been grouching
you mayn't have been grouching
they mayn't have been grouching	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I grouch?
may you grouch?
may he grouch?
may we grouch?
may you grouch?
may they grouch? 	may I be grouching?
may you be grouching?
may he be grouching?
may we be grouching?
may you be grouching?
may they be grouching? 	may I have grouched?
may you have grouched?
may he have grouched?
may we have grouched?
may you have grouched?
may they have grouched? 	may I have been grouching?
may you have been grouching?
may he have been grouching?
may we have been grouching?
may you have been grouching?
may they have been grouching? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I grouch?
mayn't you grouch?
mayn't he grouch?
mayn't we grouch?
mayn't you grouch?
mayn't they grouch? 	mayn't I be grouching?
mayn't you be grouching?
mayn't he be grouching?
mayn't we be grouching?
mayn't you be grouching?
mayn't they be grouching? 	mayn't I have grouched?
mayn't you have grouched?
mayn't he have grouched?
mayn't we have grouched?
mayn't you have grouched?
mayn't they have grouched? 	mayn't I have been grouching?
mayn't you have been grouching?
mayn't he have been grouching?
mayn't we have been grouching?
mayn't you have been grouching?
mayn't they have been grouching?