shall sustain
Regular verb: sustain - sustained- sustained

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

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

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

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