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
she 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
she 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
she 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
she 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 must not air-condition
you must not air-condition
she must not air-condition
we must not air-condition
you must not air-condition
they must not air-condition 	I must not be air-conditioning
you must not be air-conditioning
she must not be air-conditioning
we must not be air-conditioning
you must not be air-conditioning
they must not be air-conditioning	I must not have air-conditioned
you must not have air-conditioned
she must not have air-conditioned
we must not have air-conditioned
you must not have air-conditioned
they must not have air-conditioned	I must not have been air-conditioning
you must not have been air-conditioning
she must not have been air-conditioning
we must not have been air-conditioning
you must not have been air-conditioning
they must not 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 she 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 she 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 she 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 she 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 	
must I not air-condition?
must you not air-condition?
must she not air-condition?
must we not air-condition?
must you not air-condition?
must they not air-condition? 	must I not be air-conditioning?
must you not be air-conditioning?
must she not be air-conditioning?
must we not be air-conditioning?
must you not be air-conditioning?
must they not be air-conditioning? 	must I not have air-conditioned?
must you not have air-conditioned?
must she not have air-conditioned?
must we not have air-conditioned?
must you not have air-conditioned?
must they not have air-conditioned? 	must I not have been air-conditioning?
must you not have been air-conditioning?
must she not have been air-conditioning?
must we not have been air-conditioning?
must you not have been air-conditioning?
must they not have been air-conditioning?