must ionise
Verbo regular: ionise - ionised- ionised

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must ionise
you must ionise
he must ionise
we must ionise
you must ionise
they must ionise 	I must be ionising
you must be ionising
he must be ionising
we must be ionising
you must be ionising
they must be ionising	I must have ionised
you must have ionised
he must have ionised
we must have ionised
you must have ionised
they must have ionised	I must have been ionising
you must have been ionising
he must have been ionising
we must have been ionising
you must have been ionising
they must have been ionising	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not ionise
you must not ionise
he must not ionise
we must not ionise
you must not ionise
they must not ionise 	I must not be ionising
you must not be ionising
he must not be ionising
we must not be ionising
you must not be ionising
they must not be ionising	I must not have ionised
you must not have ionised
he must not have ionised
we must not have ionised
you must not have ionised
they must not have ionised	I must not have been ionising
you must not have been ionising
he must not have been ionising
we must not have been ionising
you must not have been ionising
they must not have been ionising	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I ionise?
must you ionise?
must he ionise?
must we ionise?
must you ionise?
must they ionise? 	must I be ionising?
must you be ionising?
must he be ionising?
must we be ionising?
must you be ionising?
must they be ionising? 	must I have ionised?
must you have ionised?
must he have ionised?
must we have ionised?
must you have ionised?
must they have ionised? 	must I have been ionising?
must you have been ionising?
must he have been ionising?
must we have been ionising?
must you have been ionising?
must they have been ionising? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not ionise?
must you not ionise?
must he not ionise?
must we not ionise?
must you not ionise?
must they not ionise? 	must I not be ionising?
must you not be ionising?
must he not be ionising?
must we not be ionising?
must you not be ionising?
must they not be ionising? 	must I not have ionised?
must you not have ionised?
must he not have ionised?
must we not have ionised?
must you not have ionised?
must they not have ionised? 	must I not have been ionising?
must you not have been ionising?
must he not have been ionising?
must we not have been ionising?
must you not have been ionising?
must they not have been ionising?