shall stumble
Regular verb: stumble - stumbled- stumbled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall stumble
you shall stumble
he shall stumble
we shall stumble
you shall stumble
they shall stumble 	I shall be stumbling
you shall be stumbling
he shall be stumbling
we shall be stumbling
you shall be stumbling
they shall be stumbling	I shall have stumbled
you shall have stumbled
he shall have stumbled
we shall have stumbled
you shall have stumbled
they shall have stumbled	I shall have been stumbling
you shall have been stumbling
he shall have been stumbling
we shall have been stumbling
you shall have been stumbling
they shall have been stumbling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall not stumble
you shall not stumble
he shall not stumble
we shall not stumble
you shall not stumble
they shall not stumble 	I shall not be stumbling
you shall not be stumbling
he shall not be stumbling
we shall not be stumbling
you shall not be stumbling
they shall not be stumbling	I shall not have stumbled
you shall not have stumbled
he shall not have stumbled
we shall not have stumbled
you shall not have stumbled
they shall not have stumbled	I shall not have been stumbling
you shall not have been stumbling
he shall not have been stumbling
we shall not have been stumbling
you shall not have been stumbling
they shall not have been stumbling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I stumble?
shall you stumble?
shall he stumble?
shall we stumble?
shall you stumble?
shall they stumble? 	shall I be stumbling?
shall you be stumbling?
shall he be stumbling?
shall we be stumbling?
shall you be stumbling?
shall they be stumbling? 	shall I have stumbled?
shall you have stumbled?
shall he have stumbled?
shall we have stumbled?
shall you have stumbled?
shall they have stumbled? 	shall I have been stumbling?
shall you have been stumbling?
shall he have been stumbling?
shall we have been stumbling?
shall you have been stumbling?
shall they have been stumbling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I not stumble?
shall you not stumble?
shall he not stumble?
shall we not stumble?
shall you not stumble?
shall they not stumble? 	shall I not be stumbling?
shall you not be stumbling?
shall he not be stumbling?
shall we not be stumbling?
shall you not be stumbling?
shall they not be stumbling? 	shall I not have stumbled?
shall you not have stumbled?
shall he not have stumbled?
shall we not have stumbled?
shall you not have stumbled?
shall they not have stumbled? 	shall I not have been stumbling?
shall you not have been stumbling?
shall he not have been stumbling?
shall we not have been stumbling?
shall you not have been stumbling?
shall they not have been stumbling?