may bump-start
Regular verb: bump-start - bump-started- bump-started

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may bump-start
you may bump-start
he may bump-start
we may bump-start
you may bump-start
they may bump-start 	I may be bump-starting
you may be bump-starting
he may be bump-starting
we may be bump-starting
you may be bump-starting
they may be bump-starting	I may have bump-started
you may have bump-started
he may have bump-started
we may have bump-started
you may have bump-started
they may have bump-started	I may have been bump-starting
you may have been bump-starting
he may have been bump-starting
we may have been bump-starting
you may have been bump-starting
they may have been bump-starting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't bump-start
you mayn't bump-start
he mayn't bump-start
we mayn't bump-start
you mayn't bump-start
they mayn't bump-start 	I mayn't be bump-starting
you mayn't be bump-starting
he mayn't be bump-starting
we mayn't be bump-starting
you mayn't be bump-starting
they mayn't be bump-starting	I mayn't have bump-started
you mayn't have bump-started
he mayn't have bump-started
we mayn't have bump-started
you mayn't have bump-started
they mayn't have bump-started	I mayn't have been bump-starting
you mayn't have been bump-starting
he mayn't have been bump-starting
we mayn't have been bump-starting
you mayn't have been bump-starting
they mayn't have been bump-starting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I bump-start?
may you bump-start?
may he bump-start?
may we bump-start?
may you bump-start?
may they bump-start? 	may I be bump-starting?
may you be bump-starting?
may he be bump-starting?
may we be bump-starting?
may you be bump-starting?
may they be bump-starting? 	may I have bump-started?
may you have bump-started?
may he have bump-started?
may we have bump-started?
may you have bump-started?
may they have bump-started? 	may I have been bump-starting?
may you have been bump-starting?
may he have been bump-starting?
may we have been bump-starting?
may you have been bump-starting?
may they have been bump-starting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I bump-start?
mayn't you bump-start?
mayn't he bump-start?
mayn't we bump-start?
mayn't you bump-start?
mayn't they bump-start? 	mayn't I be bump-starting?
mayn't you be bump-starting?
mayn't he be bump-starting?
mayn't we be bump-starting?
mayn't you be bump-starting?
mayn't they be bump-starting? 	mayn't I have bump-started?
mayn't you have bump-started?
mayn't he have bump-started?
mayn't we have bump-started?
mayn't you have bump-started?
mayn't they have bump-started? 	mayn't I have been bump-starting?
mayn't you have been bump-starting?
mayn't he have been bump-starting?
mayn't we have been bump-starting?
mayn't you have been bump-starting?
mayn't they have been bump-starting?