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