Conjugación del verbo inglés
MUST EXTEMPORISE

Verbo regular: extemporise - extemporised - extemporised

Afirmación

Forma simple	Forma con 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
Perfecto	Perfecto con V-ing
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

Negación

Forma simple	Forma con V-ing
I must not extemporise you must not extemporise he must not extemporise we must not extemporise you must not extemporise they must not extemporise	I must not be extemporising you must not be extemporising he must not be extemporising we must not be extemporising you must not be extemporising they must not be extemporising
Perfecto	Perfecto con V-ing
I must not have extemporised you must not have extemporised he must not have extemporised we must not have extemporised you must not have extemporised they must not have extemporised	I must not have been extemporising you must not have been extemporising he must not have been extemporising we must not have been extemporising you must not have been extemporising they must not have been extemporising

Forma interrogativa

Forma simple	Forma con 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?
Perfecto	Perfecto con V-ing
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?

Forma interro-negativa

Forma simple	Forma con V-ing
must I not extemporise? must you not extemporise? must he not extemporise? must we not extemporise? must you not extemporise? must they not extemporise?	must I not be extemporising? must you not be extemporising? must he not be extemporising? must we not be extemporising? must you not be extemporising? must they not be extemporising?
Perfecto	Perfecto con V-ing
must I not have extemporised? must you not have extemporised? must he not have extemporised? must we not have extemporised? must you not have extemporised? must they not have extemporised?	must I not have been extemporising? must you not have been extemporising? must he not have been extemporising? must we not have been extemporising? must you not have been extemporising? must they not have been extemporising?