must extemporise
Verbe régulier : extemporise - extemporised- extemporised

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must extemporise
you must extemporise
he must extemporise
we must extemporise
you must extemporise
they must extemporise 	I must be extemporising
you must be extemporising
he must be extemporising
we must be extemporising
you must be extemporising
they must be extemporising	I must have extemporised
you must have extemporised
he must have extemporised
we must have extemporised
you must have extemporised
they must have extemporised	I must have been extemporising
you must have been extemporising
he must have been extemporising
we must have been extemporising
you must have been extemporising
they must have been extemporising	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't extemporise
you mustn't extemporise
he mustn't extemporise
we mustn't extemporise
you mustn't extemporise
they mustn't extemporise 	I mustn't be extemporising
you mustn't be extemporising
he mustn't be extemporising
we mustn't be extemporising
you mustn't be extemporising
they mustn't be extemporising	I mustn't have extemporised
you mustn't have extemporised
he mustn't have extemporised
we mustn't have extemporised
you mustn't have extemporised
they mustn't have extemporised	I mustn't have been extemporising
you mustn't have been extemporising
he mustn't have been extemporising
we mustn't have been extemporising
you mustn't have been extemporising
they mustn't have been extemporising	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I extemporise?
must you extemporise?
must he extemporise?
must we extemporise?
must you extemporise?
must they extemporise? 	must I be extemporising?
must you be extemporising?
must he be extemporising?
must we be extemporising?
must you be extemporising?
must they be extemporising? 	must I have extemporised?
must you have extemporised?
must he have extemporised?
must we have extemporised?
must you have extemporised?
must they have extemporised? 	must I have been extemporising?
must you have been extemporising?
must he have been extemporising?
must we have been extemporising?
must you have been extemporising?
must they have been extemporising? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I extemporise?
mustn't you extemporise?
mustn't he extemporise?
mustn't we extemporise?
mustn't you extemporise?
mustn't they extemporise? 	mustn't I be extemporising?
mustn't you be extemporising?
mustn't he be extemporising?
mustn't we be extemporising?
mustn't you be extemporising?
mustn't they be extemporising? 	mustn't I have extemporised?
mustn't you have extemporised?
mustn't he have extemporised?
mustn't we have extemporised?
mustn't you have extemporised?
mustn't they have extemporised? 	mustn't I have been extemporising?
mustn't you have been extemporising?
mustn't he have been extemporising?
mustn't we have been extemporising?
mustn't you have been extemporising?
mustn't they have been extemporising?