must chunk
Verbo regular: chunk - chunked- chunked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must chunk
you must chunk
he must chunk
we must chunk
you must chunk
they must chunk 	I must be chunking
you must be chunking
he must be chunking
we must be chunking
you must be chunking
they must be chunking	I must have chunked
you must have chunked
he must have chunked
we must have chunked
you must have chunked
they must have chunked	I must have been chunking
you must have been chunking
he must have been chunking
we must have been chunking
you must have been chunking
they must have been chunking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't chunk
you mustn't chunk
he mustn't chunk
we mustn't chunk
you mustn't chunk
they mustn't chunk 	I mustn't be chunking
you mustn't be chunking
he mustn't be chunking
we mustn't be chunking
you mustn't be chunking
they mustn't be chunking	I mustn't have chunked
you mustn't have chunked
he mustn't have chunked
we mustn't have chunked
you mustn't have chunked
they mustn't have chunked	I mustn't have been chunking
you mustn't have been chunking
he mustn't have been chunking
we mustn't have been chunking
you mustn't have been chunking
they mustn't have been chunking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I chunk?
must you chunk?
must he chunk?
must we chunk?
must you chunk?
must they chunk? 	must I be chunking?
must you be chunking?
must he be chunking?
must we be chunking?
must you be chunking?
must they be chunking? 	must I have chunked?
must you have chunked?
must he have chunked?
must we have chunked?
must you have chunked?
must they have chunked? 	must I have been chunking?
must you have been chunking?
must he have been chunking?
must we have been chunking?
must you have been chunking?
must they have been chunking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I chunk?
mustn't you chunk?
mustn't he chunk?
mustn't we chunk?
mustn't you chunk?
mustn't they chunk? 	mustn't I be chunking?
mustn't you be chunking?
mustn't he be chunking?
mustn't we be chunking?
mustn't you be chunking?
mustn't they be chunking? 	mustn't I have chunked?
mustn't you have chunked?
mustn't he have chunked?
mustn't we have chunked?
mustn't you have chunked?
mustn't they have chunked? 	mustn't I have been chunking?
mustn't you have been chunking?
mustn't he have been chunking?
mustn't we have been chunking?
mustn't you have been chunking?
mustn't they have been chunking?