must extemporize
Verbo regular: extemporize - extemporized- extemporized

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must extemporize
you must extemporize
she must extemporize
we must extemporize
you must extemporize
they must extemporize 	I must be extemporizing
you must be extemporizing
she must be extemporizing
we must be extemporizing
you must be extemporizing
they must be extemporizing	I must have extemporized
you must have extemporized
she must have extemporized
we must have extemporized
you must have extemporized
they must have extemporized	I must have been extemporizing
you must have been extemporizing
she must have been extemporizing
we must have been extemporizing
you must have been extemporizing
they must have been extemporizing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't extemporize
you mustn't extemporize
she mustn't extemporize
we mustn't extemporize
you mustn't extemporize
they mustn't extemporize 	I mustn't be extemporizing
you mustn't be extemporizing
she mustn't be extemporizing
we mustn't be extemporizing
you mustn't be extemporizing
they mustn't be extemporizing	I mustn't have extemporized
you mustn't have extemporized
she mustn't have extemporized
we mustn't have extemporized
you mustn't have extemporized
they mustn't have extemporized	I mustn't have been extemporizing
you mustn't have been extemporizing
she mustn't have been extemporizing
we mustn't have been extemporizing
you mustn't have been extemporizing
they mustn't have been extemporizing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I extemporize?
must you extemporize?
must she extemporize?
must we extemporize?
must you extemporize?
must they extemporize? 	must I be extemporizing?
must you be extemporizing?
must she be extemporizing?
must we be extemporizing?
must you be extemporizing?
must they be extemporizing? 	must I have extemporized?
must you have extemporized?
must she have extemporized?
must we have extemporized?
must you have extemporized?
must they have extemporized? 	must I have been extemporizing?
must you have been extemporizing?
must she have been extemporizing?
must we have been extemporizing?
must you have been extemporizing?
must they have been extemporizing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I extemporize?
mustn't you extemporize?
mustn't she extemporize?
mustn't we extemporize?
mustn't you extemporize?
mustn't they extemporize? 	mustn't I be extemporizing?
mustn't you be extemporizing?
mustn't she be extemporizing?
mustn't we be extemporizing?
mustn't you be extemporizing?
mustn't they be extemporizing? 	mustn't I have extemporized?
mustn't you have extemporized?
mustn't she have extemporized?
mustn't we have extemporized?
mustn't you have extemporized?
mustn't they have extemporized? 	mustn't I have been extemporizing?
mustn't you have been extemporizing?
mustn't she have been extemporizing?
mustn't we have been extemporizing?
mustn't you have been extemporizing?
mustn't they have been extemporizing?