shall fasten
Regular verb: fasten - fastened- fastened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall fasten
you shall fasten
he shall fasten
we shall fasten
you shall fasten
they shall fasten 	I shall be fastening
you shall be fastening
he shall be fastening
we shall be fastening
you shall be fastening
they shall be fastening	I shall have fastened
you shall have fastened
he shall have fastened
we shall have fastened
you shall have fastened
they shall have fastened	I shall have been fastening
you shall have been fastening
he shall have been fastening
we shall have been fastening
you shall have been fastening
they shall have been fastening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall not fasten
you shall not fasten
he shall not fasten
we shall not fasten
you shall not fasten
they shall not fasten 	I shall not be fastening
you shall not be fastening
he shall not be fastening
we shall not be fastening
you shall not be fastening
they shall not be fastening	I shall not have fastened
you shall not have fastened
he shall not have fastened
we shall not have fastened
you shall not have fastened
they shall not have fastened	I shall not have been fastening
you shall not have been fastening
he shall not have been fastening
we shall not have been fastening
you shall not have been fastening
they shall not have been fastening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I fasten?
shall you fasten?
shall he fasten?
shall we fasten?
shall you fasten?
shall they fasten? 	shall I be fastening?
shall you be fastening?
shall he be fastening?
shall we be fastening?
shall you be fastening?
shall they be fastening? 	shall I have fastened?
shall you have fastened?
shall he have fastened?
shall we have fastened?
shall you have fastened?
shall they have fastened? 	shall I have been fastening?
shall you have been fastening?
shall he have been fastening?
shall we have been fastening?
shall you have been fastening?
shall they have been fastening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I not fasten?
shall you not fasten?
shall he not fasten?
shall we not fasten?
shall you not fasten?
shall they not fasten? 	shall I not be fastening?
shall you not be fastening?
shall he not be fastening?
shall we not be fastening?
shall you not be fastening?
shall they not be fastening? 	shall I not have fastened?
shall you not have fastened?
shall he not have fastened?
shall we not have fastened?
shall you not have fastened?
shall they not have fastened? 	shall I not have been fastening?
shall you not have been fastening?
shall he not have been fastening?
shall we not have been fastening?
shall you not have been fastening?
shall they not have been fastening?