must computerise
Regular verb: computerise - computerised- computerised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must computerise
you must computerise
she must computerise
we must computerise
you must computerise
they must computerise 	I must be computerising
you must be computerising
she must be computerising
we must be computerising
you must be computerising
they must be computerising	I must have computerised
you must have computerised
she must have computerised
we must have computerised
you must have computerised
they must have computerised	I must have been computerising
you must have been computerising
she must have been computerising
we must have been computerising
you must have been computerising
they must have been computerising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't computerise
you mustn't computerise
she mustn't computerise
we mustn't computerise
you mustn't computerise
they mustn't computerise 	I mustn't be computerising
you mustn't be computerising
she mustn't be computerising
we mustn't be computerising
you mustn't be computerising
they mustn't be computerising	I mustn't have computerised
you mustn't have computerised
she mustn't have computerised
we mustn't have computerised
you mustn't have computerised
they mustn't have computerised	I mustn't have been computerising
you mustn't have been computerising
she mustn't have been computerising
we mustn't have been computerising
you mustn't have been computerising
they mustn't have been computerising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I computerise?
must you computerise?
must she computerise?
must we computerise?
must you computerise?
must they computerise? 	must I be computerising?
must you be computerising?
must she be computerising?
must we be computerising?
must you be computerising?
must they be computerising? 	must I have computerised?
must you have computerised?
must she have computerised?
must we have computerised?
must you have computerised?
must they have computerised? 	must I have been computerising?
must you have been computerising?
must she have been computerising?
must we have been computerising?
must you have been computerising?
must they have been computerising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I computerise?
mustn't you computerise?
mustn't she computerise?
mustn't we computerise?
mustn't you computerise?
mustn't they computerise? 	mustn't I be computerising?
mustn't you be computerising?
mustn't she be computerising?
mustn't we be computerising?
mustn't you be computerising?
mustn't they be computerising? 	mustn't I have computerised?
mustn't you have computerised?
mustn't she have computerised?
mustn't we have computerised?
mustn't you have computerised?
mustn't they have computerised? 	mustn't I have been computerising?
mustn't you have been computerising?
mustn't she have been computerising?
mustn't we have been computerising?
mustn't you have been computerising?
mustn't they have been computerising?