I'll be sustaining you'll be sustaining he'll be sustaining we'll be sustaining you'll be sustaining they'll be sustaining
Perfect
I'll have sustained you'll have sustained he'll have sustained we'll have sustained you'll have sustained they'll have sustained
V-ing perfect
I'll have been sustaining you'll have been sustaining he'll have been sustaining we'll have been sustaining you'll have been sustaining they'll have been sustaining
Negation
Simple form
I won't sustain you won't sustain he won't sustain we won't sustain you won't sustain they won't sustain
V-ing form
I won't be sustaining you won't be sustaining he won't be sustaining we won't be sustaining you won't be sustaining they won't be sustaining
Perfect
I won't have sustained you won't have sustained he won't have sustained we won't have sustained you won't have sustained they won't have sustained
V-ing perfect
I won't have been sustaining you won't have been sustaining he won't have been sustaining we won't have been sustaining you won't have been sustaining they won't have been sustaining
Interrogative form
Simple form
will I sustain? will you sustain? will he sustain? will we sustain? will you sustain? will they sustain?
V-ing form
will I be sustaining? will you be sustaining? will he be sustaining? will we be sustaining? will you be sustaining? will they be sustaining?
Perfect
will I have sustained? will you have sustained? will he have sustained? will we have sustained? will you have sustained? will they have sustained?
V-ing perfect
will I have been sustaining? will you have been sustaining? will he have been sustaining? will we have been sustaining? will you have been sustaining? will they have been sustaining?
Interro-negative form
Simple form
won't I sustain? won't you sustain? won't he sustain? won't we sustain? won't you sustain? won't they sustain?
V-ing form
won't I be sustaining? won't you be sustaining? won't he be sustaining? won't we be sustaining? won't you be sustaining? won't they be sustaining?
Perfect
won't I have sustained? won't you have sustained? won't he have sustained? won't we have sustained? won't you have sustained? won't they have sustained?
V-ing perfect
won't I have been sustaining? won't you have been sustaining? won't he have been sustaining? won't we have been sustaining? won't you have been sustaining? won't they have been sustaining?