English verb conjugation
SHALL STIFLE

Regular verb: stifle - stifled - stifled

Affirmation

Simple form	V-ing form
I shall stifle you shall stifle he shall stifle we shall stifle you shall stifle they shall stifle	I shall be stifling you shall be stifling he shall be stifling we shall be stifling you shall be stifling they shall be stifling
Perfect	V-ing perfect
I shall have stifled you shall have stifled he shall have stifled we shall have stifled you shall have stifled they shall have stifled	I shall have been stifling you shall have been stifling he shall have been stifling we shall have been stifling you shall have been stifling they shall have been stifling

Negation

Simple form	V-ing form
I shall not stifle you shall not stifle he shall not stifle we shall not stifle you shall not stifle they shall not stifle	I shall not be stifling you shall not be stifling he shall not be stifling we shall not be stifling you shall not be stifling they shall not be stifling
Perfect	V-ing perfect
I shall not have stifled you shall not have stifled he shall not have stifled we shall not have stifled you shall not have stifled they shall not have stifled	I shall not have been stifling you shall not have been stifling he shall not have been stifling we shall not have been stifling you shall not have been stifling they shall not have been stifling

Interrogative form

Simple form	V-ing form
shall I stifle? shall you stifle? shall he stifle? shall we stifle? shall you stifle? shall they stifle?	shall I be stifling? shall you be stifling? shall he be stifling? shall we be stifling? shall you be stifling? shall they be stifling?
Perfect	V-ing perfect
shall I have stifled? shall you have stifled? shall he have stifled? shall we have stifled? shall you have stifled? shall they have stifled?	shall I have been stifling? shall you have been stifling? shall he have been stifling? shall we have been stifling? shall you have been stifling? shall they have been stifling?

Interro-negative form

Simple form	V-ing form
shall I not stifle? shall you not stifle? shall he not stifle? shall we not stifle? shall you not stifle? shall they not stifle?	shall I not be stifling? shall you not be stifling? shall he not be stifling? shall we not be stifling? shall you not be stifling? shall they not be stifling?
Perfect	V-ing perfect
shall I not have stifled? shall you not have stifled? shall he not have stifled? shall we not have stifled? shall you not have stifled? shall they not have stifled?	shall I not have been stifling? shall you not have been stifling? shall he not have been stifling? shall we not have been stifling? shall you not have been stifling? shall they not have been stifling?