must apologise
Verbo regular: apologise - apologised- apologised

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must apologise
you must apologise
he must apologise
we must apologise
you must apologise
they must apologise 	I must be apologising
you must be apologising
he must be apologising
we must be apologising
you must be apologising
they must be apologising	I must have apologised
you must have apologised
he must have apologised
we must have apologised
you must have apologised
they must have apologised	I must have been apologising
you must have been apologising
he must have been apologising
we must have been apologising
you must have been apologising
they must have been apologising	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not apologise
you must not apologise
he must not apologise
we must not apologise
you must not apologise
they must not apologise 	I must not be apologising
you must not be apologising
he must not be apologising
we must not be apologising
you must not be apologising
they must not be apologising	I must not have apologised
you must not have apologised
he must not have apologised
we must not have apologised
you must not have apologised
they must not have apologised	I must not have been apologising
you must not have been apologising
he must not have been apologising
we must not have been apologising
you must not have been apologising
they must not have been apologising	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I apologise?
must you apologise?
must he apologise?
must we apologise?
must you apologise?
must they apologise? 	must I be apologising?
must you be apologising?
must he be apologising?
must we be apologising?
must you be apologising?
must they be apologising? 	must I have apologised?
must you have apologised?
must he have apologised?
must we have apologised?
must you have apologised?
must they have apologised? 	must I have been apologising?
must you have been apologising?
must he have been apologising?
must we have been apologising?
must you have been apologising?
must they have been apologising? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not apologise?
must you not apologise?
must he not apologise?
must we not apologise?
must you not apologise?
must they not apologise? 	must I not be apologising?
must you not be apologising?
must he not be apologising?
must we not be apologising?
must you not be apologising?
must they not be apologising? 	must I not have apologised?
must you not have apologised?
must he not have apologised?
must we not have apologised?
must you not have apologised?
must they not have apologised? 	must I not have been apologising?
must you not have been apologising?
must he not have been apologising?
must we not have been apologising?
must you not have been apologising?
must they not have been apologising?