must bump-start
Regular verb: bump-start - bump-started- bump-started

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

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

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

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