may heckle
Regular verb: heckle - heckled- heckled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may heckle
you may heckle
he may heckle
we may heckle
you may heckle
they may heckle 	I may be heckling
you may be heckling
he may be heckling
we may be heckling
you may be heckling
they may be heckling	I may have heckled
you may have heckled
he may have heckled
we may have heckled
you may have heckled
they may have heckled	I may have been heckling
you may have been heckling
he may have been heckling
we may have been heckling
you may have been heckling
they may have been heckling	

Negation 	
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I mayn't heckle
you mayn't heckle
he mayn't heckle
we mayn't heckle
you mayn't heckle
they mayn't heckle 	I mayn't be heckling
you mayn't be heckling
he mayn't be heckling
we mayn't be heckling
you mayn't be heckling
they mayn't be heckling	I mayn't have heckled
you mayn't have heckled
he mayn't have heckled
we mayn't have heckled
you mayn't have heckled
they mayn't have heckled	I mayn't have been heckling
you mayn't have been heckling
he mayn't have been heckling
we mayn't have been heckling
you mayn't have been heckling
they mayn't have been heckling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I heckle?
may you heckle?
may he heckle?
may we heckle?
may you heckle?
may they heckle? 	may I be heckling?
may you be heckling?
may he be heckling?
may we be heckling?
may you be heckling?
may they be heckling? 	may I have heckled?
may you have heckled?
may he have heckled?
may we have heckled?
may you have heckled?
may they have heckled? 	may I have been heckling?
may you have been heckling?
may he have been heckling?
may we have been heckling?
may you have been heckling?
may they have been heckling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I heckle?
mayn't you heckle?
mayn't he heckle?
mayn't we heckle?
mayn't you heckle?
mayn't they heckle? 	mayn't I be heckling?
mayn't you be heckling?
mayn't he be heckling?
mayn't we be heckling?
mayn't you be heckling?
mayn't they be heckling? 	mayn't I have heckled?
mayn't you have heckled?
mayn't he have heckled?
mayn't we have heckled?
mayn't you have heckled?
mayn't they have heckled? 	mayn't I have been heckling?
mayn't you have been heckling?
mayn't he have been heckling?
mayn't we have been heckling?
mayn't you have been heckling?
mayn't they have been heckling?