must iodise
Regular verb: iodise - iodised- iodised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must iodise
you must iodise
he must iodise
we must iodise
you must iodise
they must iodise 	I must be iodising
you must be iodising
he must be iodising
we must be iodising
you must be iodising
they must be iodising	I must have iodised
you must have iodised
he must have iodised
we must have iodised
you must have iodised
they must have iodised	I must have been iodising
you must have been iodising
he must have been iodising
we must have been iodising
you must have been iodising
they must have been iodising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not iodise
you must not iodise
he must not iodise
we must not iodise
you must not iodise
they must not iodise 	I must not be iodising
you must not be iodising
he must not be iodising
we must not be iodising
you must not be iodising
they must not be iodising	I must not have iodised
you must not have iodised
he must not have iodised
we must not have iodised
you must not have iodised
they must not have iodised	I must not have been iodising
you must not have been iodising
he must not have been iodising
we must not have been iodising
you must not have been iodising
they must not have been iodising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I iodise?
must you iodise?
must he iodise?
must we iodise?
must you iodise?
must they iodise? 	must I be iodising?
must you be iodising?
must he be iodising?
must we be iodising?
must you be iodising?
must they be iodising? 	must I have iodised?
must you have iodised?
must he have iodised?
must we have iodised?
must you have iodised?
must they have iodised? 	must I have been iodising?
must you have been iodising?
must he have been iodising?
must we have been iodising?
must you have been iodising?
must they have been iodising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not iodise?
must you not iodise?
must he not iodise?
must we not iodise?
must you not iodise?
must they not iodise? 	must I not be iodising?
must you not be iodising?
must he not be iodising?
must we not be iodising?
must you not be iodising?
must they not be iodising? 	must I not have iodised?
must you not have iodised?
must he not have iodised?
must we not have iodised?
must you not have iodised?
must they not have iodised? 	must I not have been iodising?
must you not have been iodising?
must he not have been iodising?
must we not have been iodising?
must you not have been iodising?
must they not have been iodising?