might sustain
Regular verb: sustain - sustained- sustained

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I might sustain
you might sustain
she might sustain
we might sustain
you might sustain
they might sustain 	I might be sustaining
you might be sustaining
she might be sustaining
we might be sustaining
you might be sustaining
they might be sustaining	I might have sustained
you might have sustained
she might have sustained
we might have sustained
you might have sustained
they might have sustained	I might have been sustaining
you might have been sustaining
she might have been sustaining
we might have been sustaining
you might have been sustaining
they might have been sustaining	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I might not sustain
you might not sustain
she might not sustain
we might not sustain
you might not sustain
they might not sustain 	I might not be sustaining
you might not be sustaining
she might not be sustaining
we might not be sustaining
you might not be sustaining
they might not be sustaining	I might not have sustained
you might not have sustained
she might not have sustained
we might not have sustained
you might not have sustained
they might not have sustained	I might not have been sustaining
you might not have been sustaining
she might not have been sustaining
we might not have been sustaining
you might not have been sustaining
they might not have been sustaining	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
might I sustain?
might you sustain?
might she sustain?
might we sustain?
might you sustain?
might they sustain? 	might I be sustaining?
might you be sustaining?
might she be sustaining?
might we be sustaining?
might you be sustaining?
might they be sustaining? 	might I have sustained?
might you have sustained?
might she have sustained?
might we have sustained?
might you have sustained?
might they have sustained? 	might I have been sustaining?
might you have been sustaining?
might she have been sustaining?
might we have been sustaining?
might you have been sustaining?
might they have been sustaining? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
might I not sustain?
might you not sustain?
might she not sustain?
might we not sustain?
might you not sustain?
might they not sustain? 	might I not be sustaining?
might you not be sustaining?
might she not be sustaining?
might we not be sustaining?
might you not be sustaining?
might they not be sustaining? 	might I not have sustained?
might you not have sustained?
might she not have sustained?
might we not have sustained?
might you not have sustained?
might they not have sustained? 	might I not have been sustaining?
might you not have been sustaining?
might she not have been sustaining?
might we not have been sustaining?
might you not have been sustaining?
might they not have been sustaining?