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 must not weatherise
you must not weatherise
he must not weatherise
we must not weatherise
you must not weatherise
they must not weatherise 	I must not be weatherising
you must not be weatherising
he must not be weatherising
we must not be weatherising
you must not be weatherising
they must not be weatherising	I must not have weatherised
you must not have weatherised
he must not have weatherised
we must not have weatherised
you must not have weatherised
they must not have weatherised	I must not have been weatherising
you must not have been weatherising
he must not have been weatherising
we must not have been weatherising
you must not have been weatherising
they must not 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 	
must I not weatherise?
must you not weatherise?
must he not weatherise?
must we not weatherise?
must you not weatherise?
must they not weatherise? 	must I not be weatherising?
must you not be weatherising?
must he not be weatherising?
must we not be weatherising?
must you not be weatherising?
must they not be weatherising? 	must I not have weatherised?
must you not have weatherised?
must he not have weatherised?
must we not have weatherised?
must you not have weatherised?
must they not have weatherised? 	must I not have been weatherising?
must you not have been weatherising?
must he not have been weatherising?
must we not have been weatherising?
must you not have been weatherising?
must they not have been weatherising?