must weatherise
Verbe régulier : weatherise - weatherised- weatherised

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must weatherise
you must weatherise
he must weatherise
we must weatherise
you must weatherise
they must weatherise 	I must be weatherising
you must be weatherising
he must be weatherising
we must be weatherising
you must be weatherising
they must be weatherising	I must have weatherised
you must have weatherised
he must have weatherised
we must have weatherised
you must have weatherised
they must have weatherised	I must have been weatherising
you must have been weatherising
he must have been weatherising
we must have been weatherising
you must have been weatherising
they must have been weatherising	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't weatherise
you mustn't weatherise
he mustn't weatherise
we mustn't weatherise
you mustn't weatherise
they mustn't weatherise 	I mustn't be weatherising
you mustn't be weatherising
he mustn't be weatherising
we mustn't be weatherising
you mustn't be weatherising
they mustn't be weatherising	I mustn't have weatherised
you mustn't have weatherised
he mustn't have weatherised
we mustn't have weatherised
you mustn't have weatherised
they mustn't have weatherised	I mustn't have been weatherising
you mustn't have been weatherising
he mustn't have been weatherising
we mustn't have been weatherising
you mustn't have been weatherising
they mustn't have been weatherising	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I weatherise?
must you weatherise?
must he weatherise?
must we weatherise?
must you weatherise?
must they weatherise? 	must I be weatherising?
must you be weatherising?
must he be weatherising?
must we be weatherising?
must you be weatherising?
must they be weatherising? 	must I have weatherised?
must you have weatherised?
must he have weatherised?
must we have weatherised?
must you have weatherised?
must they have weatherised? 	must I have been weatherising?
must you have been weatherising?
must he have been weatherising?
must we have been weatherising?
must you have been weatherising?
must they have been weatherising? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I weatherise?
mustn't you weatherise?
mustn't he weatherise?
mustn't we weatherise?
mustn't you weatherise?
mustn't they weatherise? 	mustn't I be weatherising?
mustn't you be weatherising?
mustn't he be weatherising?
mustn't we be weatherising?
mustn't you be weatherising?
mustn't they be weatherising? 	mustn't I have weatherised?
mustn't you have weatherised?
mustn't he have weatherised?
mustn't we have weatherised?
mustn't you have weatherised?
mustn't they have weatherised? 	mustn't I have been weatherising?
mustn't you have been weatherising?
mustn't he have been weatherising?
mustn't we have been weatherising?
mustn't you have been weatherising?
mustn't they have been weatherising?