must kayak
Verbo regular: kayak - kayaked- kayaked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must kayak
you must kayak
she must kayak
we must kayak
you must kayak
they must kayak 	I must be kayaking
you must be kayaking
she must be kayaking
we must be kayaking
you must be kayaking
they must be kayaking	I must have kayaked
you must have kayaked
she must have kayaked
we must have kayaked
you must have kayaked
they must have kayaked	I must have been kayaking
you must have been kayaking
she must have been kayaking
we must have been kayaking
you must have been kayaking
they must have been kayaking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not kayak
you must not kayak
she must not kayak
we must not kayak
you must not kayak
they must not kayak 	I must not be kayaking
you must not be kayaking
she must not be kayaking
we must not be kayaking
you must not be kayaking
they must not be kayaking	I must not have kayaked
you must not have kayaked
she must not have kayaked
we must not have kayaked
you must not have kayaked
they must not have kayaked	I must not have been kayaking
you must not have been kayaking
she must not have been kayaking
we must not have been kayaking
you must not have been kayaking
they must not have been kayaking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I kayak?
must you kayak?
must she kayak?
must we kayak?
must you kayak?
must they kayak? 	must I be kayaking?
must you be kayaking?
must she be kayaking?
must we be kayaking?
must you be kayaking?
must they be kayaking? 	must I have kayaked?
must you have kayaked?
must she have kayaked?
must we have kayaked?
must you have kayaked?
must they have kayaked? 	must I have been kayaking?
must you have been kayaking?
must she have been kayaking?
must we have been kayaking?
must you have been kayaking?
must they have been kayaking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not kayak?
must you not kayak?
must she not kayak?
must we not kayak?
must you not kayak?
must they not kayak? 	must I not be kayaking?
must you not be kayaking?
must she not be kayaking?
must we not be kayaking?
must you not be kayaking?
must they not be kayaking? 	must I not have kayaked?
must you not have kayaked?
must she not have kayaked?
must we not have kayaked?
must you not have kayaked?
must they not have kayaked? 	must I not have been kayaking?
must you not have been kayaking?
must she not have been kayaking?
must we not have been kayaking?
must you not have been kayaking?
must they not have been kayaking?