I shall forestall you shall forestall he shall forestall we shall forestall you shall forestall they shall forestall
V-ing form
I shall be forestalling you shall be forestalling he shall be forestalling we shall be forestalling you shall be forestalling they shall be forestalling
Perfect
I shall have forestalled you shall have forestalled he shall have forestalled we shall have forestalled you shall have forestalled they shall have forestalled
V-ing perfect
I shall have been forestalling you shall have been forestalling he shall have been forestalling we shall have been forestalling you shall have been forestalling they shall have been forestalling
Negation
Simple form
I shall not forestall you shall not forestall he shall not forestall we shall not forestall you shall not forestall they shall not forestall
V-ing form
I shall not be forestalling you shall not be forestalling he shall not be forestalling we shall not be forestalling you shall not be forestalling they shall not be forestalling
Perfect
I shall not have forestalled you shall not have forestalled he shall not have forestalled we shall not have forestalled you shall not have forestalled they shall not have forestalled
V-ing perfect
I shall not have been forestalling you shall not have been forestalling he shall not have been forestalling we shall not have been forestalling you shall not have been forestalling they shall not have been forestalling
Interrogative form
Simple form
shall I forestall? shall you forestall? shall he forestall? shall we forestall? shall you forestall? shall they forestall?
V-ing form
shall I be forestalling? shall you be forestalling? shall he be forestalling? shall we be forestalling? shall you be forestalling? shall they be forestalling?
Perfect
shall I have forestalled? shall you have forestalled? shall he have forestalled? shall we have forestalled? shall you have forestalled? shall they have forestalled?
V-ing perfect
shall I have been forestalling? shall you have been forestalling? shall he have been forestalling? shall we have been forestalling? shall you have been forestalling? shall they have been forestalling?
Interro-negative form
Simple form
shall I not forestall? shall you not forestall? shall he not forestall? shall we not forestall? shall you not forestall? shall they not forestall?
V-ing form
shall I not be forestalling? shall you not be forestalling? shall he not be forestalling? shall we not be forestalling? shall you not be forestalling? shall they not be forestalling?
Perfect
shall I not have forestalled? shall you not have forestalled? shall he not have forestalled? shall we not have forestalled? shall you not have forestalled? shall they not have forestalled?
V-ing perfect
shall I not have been forestalling? shall you not have been forestalling? shall he not have been forestalling? shall we not have been forestalling? shall you not have been forestalling? shall they not have been forestalling?