may falter
Regular verb: falter - faltered- faltered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may falter
you may falter
he may falter
we may falter
you may falter
they may falter 	I may be faltering
you may be faltering
he may be faltering
we may be faltering
you may be faltering
they may be faltering	I may have faltered
you may have faltered
he may have faltered
we may have faltered
you may have faltered
they may have faltered	I may have been faltering
you may have been faltering
he may have been faltering
we may have been faltering
you may have been faltering
they may have been faltering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not falter
you may not falter
he may not falter
we may not falter
you may not falter
they may not falter 	I may not be faltering
you may not be faltering
he may not be faltering
we may not be faltering
you may not be faltering
they may not be faltering	I may not have faltered
you may not have faltered
he may not have faltered
we may not have faltered
you may not have faltered
they may not have faltered	I may not have been faltering
you may not have been faltering
he may not have been faltering
we may not have been faltering
you may not have been faltering
they may not have been faltering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I falter?
may you falter?
may he falter?
may we falter?
may you falter?
may they falter? 	may I be faltering?
may you be faltering?
may he be faltering?
may we be faltering?
may you be faltering?
may they be faltering? 	may I have faltered?
may you have faltered?
may he have faltered?
may we have faltered?
may you have faltered?
may they have faltered? 	may I have been faltering?
may you have been faltering?
may he have been faltering?
may we have been faltering?
may you have been faltering?
may they have been faltering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not falter?
may you not falter?
may he not falter?
may we not falter?
may you not falter?
may they not falter? 	may I not be faltering?
may you not be faltering?
may he not be faltering?
may we not be faltering?
may you not be faltering?
may they not be faltering? 	may I not have faltered?
may you not have faltered?
may he not have faltered?
may we not have faltered?
may you not have faltered?
may they not have faltered? 	may I not have been faltering?
may you not have been faltering?
may he not have been faltering?
may we not have been faltering?
may you not have been faltering?
may they not have been faltering?