shall trephine
Verbo regular: trephine - trephined- trephined

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shall trephine
you shall trephine
he shall trephine
we shall trephine
you shall trephine
they shall trephine 	I shall be trephining
you shall be trephining
he shall be trephining
we shall be trephining
you shall be trephining
they shall be trephining	I shall have trephined
you shall have trephined
he shall have trephined
we shall have trephined
you shall have trephined
they shall have trephined	I shall have been trephining
you shall have been trephining
he shall have been trephining
we shall have been trephining
you shall have been trephining
they shall have been trephining	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shall not trephine
you shall not trephine
he shall not trephine
we shall not trephine
you shall not trephine
they shall not trephine 	I shall not be trephining
you shall not be trephining
he shall not be trephining
we shall not be trephining
you shall not be trephining
they shall not be trephining	I shall not have trephined
you shall not have trephined
he shall not have trephined
we shall not have trephined
you shall not have trephined
they shall not have trephined	I shall not have been trephining
you shall not have been trephining
he shall not have been trephining
we shall not have been trephining
you shall not have been trephining
they shall not have been trephining	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shall I trephine?
shall you trephine?
shall he trephine?
shall we trephine?
shall you trephine?
shall they trephine? 	shall I be trephining?
shall you be trephining?
shall he be trephining?
shall we be trephining?
shall you be trephining?
shall they be trephining? 	shall I have trephined?
shall you have trephined?
shall he have trephined?
shall we have trephined?
shall you have trephined?
shall they have trephined? 	shall I have been trephining?
shall you have been trephining?
shall he have been trephining?
shall we have been trephining?
shall you have been trephining?
shall they have been trephining? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shall I not trephine?
shall you not trephine?
shall he not trephine?
shall we not trephine?
shall you not trephine?
shall they not trephine? 	shall I not be trephining?
shall you not be trephining?
shall he not be trephining?
shall we not be trephining?
shall you not be trephining?
shall they not be trephining? 	shall I not have trephined?
shall you not have trephined?
shall he not have trephined?
shall we not have trephined?
shall you not have trephined?
shall they not have trephined? 	shall I not have been trephining?
shall you not have been trephining?
shall he not have been trephining?
shall we not have been trephining?
shall you not have been trephining?
shall they not have been trephining?