must oxidise
Verbo regular: oxidise - oxidised- oxidised

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must oxidise
you must oxidise
she must oxidise
we must oxidise
you must oxidise
they must oxidise 	I must be oxidising
you must be oxidising
she must be oxidising
we must be oxidising
you must be oxidising
they must be oxidising	I must have oxidised
you must have oxidised
she must have oxidised
we must have oxidised
you must have oxidised
they must have oxidised	I must have been oxidising
you must have been oxidising
she must have been oxidising
we must have been oxidising
you must have been oxidising
they must have been oxidising	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't oxidise
you mustn't oxidise
she mustn't oxidise
we mustn't oxidise
you mustn't oxidise
they mustn't oxidise 	I mustn't be oxidising
you mustn't be oxidising
she mustn't be oxidising
we mustn't be oxidising
you mustn't be oxidising
they mustn't be oxidising	I mustn't have oxidised
you mustn't have oxidised
she mustn't have oxidised
we mustn't have oxidised
you mustn't have oxidised
they mustn't have oxidised	I mustn't have been oxidising
you mustn't have been oxidising
she mustn't have been oxidising
we mustn't have been oxidising
you mustn't have been oxidising
they mustn't have been oxidising	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I oxidise?
must you oxidise?
must she oxidise?
must we oxidise?
must you oxidise?
must they oxidise? 	must I be oxidising?
must you be oxidising?
must she be oxidising?
must we be oxidising?
must you be oxidising?
must they be oxidising? 	must I have oxidised?
must you have oxidised?
must she have oxidised?
must we have oxidised?
must you have oxidised?
must they have oxidised? 	must I have been oxidising?
must you have been oxidising?
must she have been oxidising?
must we have been oxidising?
must you have been oxidising?
must they have been oxidising? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I oxidise?
mustn't you oxidise?
mustn't she oxidise?
mustn't we oxidise?
mustn't you oxidise?
mustn't they oxidise? 	mustn't I be oxidising?
mustn't you be oxidising?
mustn't she be oxidising?
mustn't we be oxidising?
mustn't you be oxidising?
mustn't they be oxidising? 	mustn't I have oxidised?
mustn't you have oxidised?
mustn't she have oxidised?
mustn't we have oxidised?
mustn't you have oxidised?
mustn't they have oxidised? 	mustn't I have been oxidising?
mustn't you have been oxidising?
mustn't she have been oxidising?
mustn't we have been oxidising?
mustn't you have been oxidising?
mustn't they have been oxidising?