must air-condition
Verbo regular: air-condition - air-conditioned- air-conditioned

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must air-condition
you must air-condition
he must air-condition
we must air-condition
you must air-condition
they must air-condition 	I must be air-conditioning
you must be air-conditioning
he must be air-conditioning
we must be air-conditioning
you must be air-conditioning
they must be air-conditioning	I must have air-conditioned
you must have air-conditioned
he must have air-conditioned
we must have air-conditioned
you must have air-conditioned
they must have air-conditioned	I must have been air-conditioning
you must have been air-conditioning
he must have been air-conditioning
we must have been air-conditioning
you must have been air-conditioning
they must have been air-conditioning	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't air-condition
you mustn't air-condition
he mustn't air-condition
we mustn't air-condition
you mustn't air-condition
they mustn't air-condition 	I mustn't be air-conditioning
you mustn't be air-conditioning
he mustn't be air-conditioning
we mustn't be air-conditioning
you mustn't be air-conditioning
they mustn't be air-conditioning	I mustn't have air-conditioned
you mustn't have air-conditioned
he mustn't have air-conditioned
we mustn't have air-conditioned
you mustn't have air-conditioned
they mustn't have air-conditioned	I mustn't have been air-conditioning
you mustn't have been air-conditioning
he mustn't have been air-conditioning
we mustn't have been air-conditioning
you mustn't have been air-conditioning
they mustn't have been air-conditioning	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I air-condition?
must you air-condition?
must he air-condition?
must we air-condition?
must you air-condition?
must they air-condition? 	must I be air-conditioning?
must you be air-conditioning?
must he be air-conditioning?
must we be air-conditioning?
must you be air-conditioning?
must they be air-conditioning? 	must I have air-conditioned?
must you have air-conditioned?
must he have air-conditioned?
must we have air-conditioned?
must you have air-conditioned?
must they have air-conditioned? 	must I have been air-conditioning?
must you have been air-conditioning?
must he have been air-conditioning?
must we have been air-conditioning?
must you have been air-conditioning?
must they have been air-conditioning? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I air-condition?
mustn't you air-condition?
mustn't he air-condition?
mustn't we air-condition?
mustn't you air-condition?
mustn't they air-condition? 	mustn't I be air-conditioning?
mustn't you be air-conditioning?
mustn't he be air-conditioning?
mustn't we be air-conditioning?
mustn't you be air-conditioning?
mustn't they be air-conditioning? 	mustn't I have air-conditioned?
mustn't you have air-conditioned?
mustn't he have air-conditioned?
mustn't we have air-conditioned?
mustn't you have air-conditioned?
mustn't they have air-conditioned? 	mustn't I have been air-conditioning?
mustn't you have been air-conditioning?
mustn't he have been air-conditioning?
mustn't we have been air-conditioning?
mustn't you have been air-conditioning?
mustn't they have been air-conditioning?