I shall heighten you shall heighten he shall heighten we shall heighten you shall heighten they shall heighten
V-ing form
I shall be heightening you shall be heightening he shall be heightening we shall be heightening you shall be heightening they shall be heightening
Perfect
I shall have heightened you shall have heightened he shall have heightened we shall have heightened you shall have heightened they shall have heightened
V-ing perfect
I shall have been heightening you shall have been heightening he shall have been heightening we shall have been heightening you shall have been heightening they shall have been heightening
Negation
Simple form
I shall not heighten you shall not heighten he shall not heighten we shall not heighten you shall not heighten they shall not heighten
V-ing form
I shall not be heightening you shall not be heightening he shall not be heightening we shall not be heightening you shall not be heightening they shall not be heightening
Perfect
I shall not have heightened you shall not have heightened he shall not have heightened we shall not have heightened you shall not have heightened they shall not have heightened
V-ing perfect
I shall not have been heightening you shall not have been heightening he shall not have been heightening we shall not have been heightening you shall not have been heightening they shall not have been heightening
Interrogative form
Simple form
shall I heighten? shall you heighten? shall he heighten? shall we heighten? shall you heighten? shall they heighten?
V-ing form
shall I be heightening? shall you be heightening? shall he be heightening? shall we be heightening? shall you be heightening? shall they be heightening?
Perfect
shall I have heightened? shall you have heightened? shall he have heightened? shall we have heightened? shall you have heightened? shall they have heightened?
V-ing perfect
shall I have been heightening? shall you have been heightening? shall he have been heightening? shall we have been heightening? shall you have been heightening? shall they have been heightening?
Interro-negative form
Simple form
shall I not heighten? shall you not heighten? shall he not heighten? shall we not heighten? shall you not heighten? shall they not heighten?
V-ing form
shall I not be heightening? shall you not be heightening? shall he not be heightening? shall we not be heightening? shall you not be heightening? shall they not be heightening?
Perfect
shall I not have heightened? shall you not have heightened? shall he not have heightened? shall we not have heightened? shall you not have heightened? shall they not have heightened?
V-ing perfect
shall I not have been heightening? shall you not have been heightening? shall he not have been heightening? shall we not have been heightening? shall you not have been heightening? shall they not have been heightening?