shall thwack
Verbo regular: thwack - thwacked- thwacked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shall thwack
you shall thwack
she shall thwack
we shall thwack
you shall thwack
they shall thwack 	I shall be thwacking
you shall be thwacking
she shall be thwacking
we shall be thwacking
you shall be thwacking
they shall be thwacking	I shall have thwacked
you shall have thwacked
she shall have thwacked
we shall have thwacked
you shall have thwacked
they shall have thwacked	I shall have been thwacking
you shall have been thwacking
she shall have been thwacking
we shall have been thwacking
you shall have been thwacking
they shall have been thwacking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shall not thwack
you shall not thwack
she shall not thwack
we shall not thwack
you shall not thwack
they shall not thwack 	I shall not be thwacking
you shall not be thwacking
she shall not be thwacking
we shall not be thwacking
you shall not be thwacking
they shall not be thwacking	I shall not have thwacked
you shall not have thwacked
she shall not have thwacked
we shall not have thwacked
you shall not have thwacked
they shall not have thwacked	I shall not have been thwacking
you shall not have been thwacking
she shall not have been thwacking
we shall not have been thwacking
you shall not have been thwacking
they shall not have been thwacking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shall I thwack?
shall you thwack?
shall she thwack?
shall we thwack?
shall you thwack?
shall they thwack? 	shall I be thwacking?
shall you be thwacking?
shall she be thwacking?
shall we be thwacking?
shall you be thwacking?
shall they be thwacking? 	shall I have thwacked?
shall you have thwacked?
shall she have thwacked?
shall we have thwacked?
shall you have thwacked?
shall they have thwacked? 	shall I have been thwacking?
shall you have been thwacking?
shall she have been thwacking?
shall we have been thwacking?
shall you have been thwacking?
shall they have been thwacking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shall I not thwack?
shall you not thwack?
shall she not thwack?
shall we not thwack?
shall you not thwack?
shall they not thwack? 	shall I not be thwacking?
shall you not be thwacking?
shall she not be thwacking?
shall we not be thwacking?
shall you not be thwacking?
shall they not be thwacking? 	shall I not have thwacked?
shall you not have thwacked?
shall she not have thwacked?
shall we not have thwacked?
shall you not have thwacked?
shall they not have thwacked? 	shall I not have been thwacking?
shall you not have been thwacking?
shall she not have been thwacking?
shall we not have been thwacking?
shall you not have been thwacking?
shall they not have been thwacking?