may clinch
Regular verb: clinch - clinched- clinched

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may clinch
you may clinch
he may clinch
we may clinch
you may clinch
they may clinch 	I may be clinching
you may be clinching
he may be clinching
we may be clinching
you may be clinching
they may be clinching	I may have clinched
you may have clinched
he may have clinched
we may have clinched
you may have clinched
they may have clinched	I may have been clinching
you may have been clinching
he may have been clinching
we may have been clinching
you may have been clinching
they may have been clinching	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't clinch
you mayn't clinch
he mayn't clinch
we mayn't clinch
you mayn't clinch
they mayn't clinch 	I mayn't be clinching
you mayn't be clinching
he mayn't be clinching
we mayn't be clinching
you mayn't be clinching
they mayn't be clinching	I mayn't have clinched
you mayn't have clinched
he mayn't have clinched
we mayn't have clinched
you mayn't have clinched
they mayn't have clinched	I mayn't have been clinching
you mayn't have been clinching
he mayn't have been clinching
we mayn't have been clinching
you mayn't have been clinching
they mayn't have been clinching	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I clinch?
may you clinch?
may he clinch?
may we clinch?
may you clinch?
may they clinch? 	may I be clinching?
may you be clinching?
may he be clinching?
may we be clinching?
may you be clinching?
may they be clinching? 	may I have clinched?
may you have clinched?
may he have clinched?
may we have clinched?
may you have clinched?
may they have clinched? 	may I have been clinching?
may you have been clinching?
may he have been clinching?
may we have been clinching?
may you have been clinching?
may they have been clinching? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I clinch?
mayn't you clinch?
mayn't he clinch?
mayn't we clinch?
mayn't you clinch?
mayn't they clinch? 	mayn't I be clinching?
mayn't you be clinching?
mayn't he be clinching?
mayn't we be clinching?
mayn't you be clinching?
mayn't they be clinching? 	mayn't I have clinched?
mayn't you have clinched?
mayn't he have clinched?
mayn't we have clinched?
mayn't you have clinched?
mayn't they have clinched? 	mayn't I have been clinching?
mayn't you have been clinching?
mayn't he have been clinching?
mayn't we have been clinching?
mayn't you have been clinching?
mayn't they have been clinching?