must externalise
Verbo regular: externalise - externalised- externalised

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must externalise
you must externalise
he must externalise
we must externalise
you must externalise
they must externalise 	I must be externalising
you must be externalising
he must be externalising
we must be externalising
you must be externalising
they must be externalising	I must have externalised
you must have externalised
he must have externalised
we must have externalised
you must have externalised
they must have externalised	I must have been externalising
you must have been externalising
he must have been externalising
we must have been externalising
you must have been externalising
they must have been externalising	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not externalise
you must not externalise
he must not externalise
we must not externalise
you must not externalise
they must not externalise 	I must not be externalising
you must not be externalising
he must not be externalising
we must not be externalising
you must not be externalising
they must not be externalising	I must not have externalised
you must not have externalised
he must not have externalised
we must not have externalised
you must not have externalised
they must not have externalised	I must not have been externalising
you must not have been externalising
he must not have been externalising
we must not have been externalising
you must not have been externalising
they must not have been externalising	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I externalise?
must you externalise?
must he externalise?
must we externalise?
must you externalise?
must they externalise? 	must I be externalising?
must you be externalising?
must he be externalising?
must we be externalising?
must you be externalising?
must they be externalising? 	must I have externalised?
must you have externalised?
must he have externalised?
must we have externalised?
must you have externalised?
must they have externalised? 	must I have been externalising?
must you have been externalising?
must he have been externalising?
must we have been externalising?
must you have been externalising?
must they have been externalising? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not externalise?
must you not externalise?
must he not externalise?
must we not externalise?
must you not externalise?
must they not externalise? 	must I not be externalising?
must you not be externalising?
must he not be externalising?
must we not be externalising?
must you not be externalising?
must they not be externalising? 	must I not have externalised?
must you not have externalised?
must he not have externalised?
must we not have externalised?
must you not have externalised?
must they not have externalised? 	must I not have been externalising?
must you not have been externalising?
must he not have been externalising?
must we not have been externalising?
must you not have been externalising?
must they not have been externalising?