must sanitise
Verbo regular: sanitise - sanitised- sanitised

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must sanitise
you must sanitise
he must sanitise
we must sanitise
you must sanitise
they must sanitise 	I must be sanitising
you must be sanitising
he must be sanitising
we must be sanitising
you must be sanitising
they must be sanitising	I must have sanitised
you must have sanitised
he must have sanitised
we must have sanitised
you must have sanitised
they must have sanitised	I must have been sanitising
you must have been sanitising
he must have been sanitising
we must have been sanitising
you must have been sanitising
they must have been sanitising	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not sanitise
you must not sanitise
he must not sanitise
we must not sanitise
you must not sanitise
they must not sanitise 	I must not be sanitising
you must not be sanitising
he must not be sanitising
we must not be sanitising
you must not be sanitising
they must not be sanitising	I must not have sanitised
you must not have sanitised
he must not have sanitised
we must not have sanitised
you must not have sanitised
they must not have sanitised	I must not have been sanitising
you must not have been sanitising
he must not have been sanitising
we must not have been sanitising
you must not have been sanitising
they must not have been sanitising	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I sanitise?
must you sanitise?
must he sanitise?
must we sanitise?
must you sanitise?
must they sanitise? 	must I be sanitising?
must you be sanitising?
must he be sanitising?
must we be sanitising?
must you be sanitising?
must they be sanitising? 	must I have sanitised?
must you have sanitised?
must he have sanitised?
must we have sanitised?
must you have sanitised?
must they have sanitised? 	must I have been sanitising?
must you have been sanitising?
must he have been sanitising?
must we have been sanitising?
must you have been sanitising?
must they have been sanitising? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not sanitise?
must you not sanitise?
must he not sanitise?
must we not sanitise?
must you not sanitise?
must they not sanitise? 	must I not be sanitising?
must you not be sanitising?
must he not be sanitising?
must we not be sanitising?
must you not be sanitising?
must they not be sanitising? 	must I not have sanitised?
must you not have sanitised?
must he not have sanitised?
must we not have sanitised?
must you not have sanitised?
must they not have sanitised? 	must I not have been sanitising?
must you not have been sanitising?
must he not have been sanitising?
must we not have been sanitising?
must you not have been sanitising?
must they not have been sanitising?