must swelter
Verbo regular: swelter - sweltered- sweltered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must swelter
you must swelter
he must swelter
we must swelter
you must swelter
they must swelter 	I must be sweltering
you must be sweltering
he must be sweltering
we must be sweltering
you must be sweltering
they must be sweltering	I must have sweltered
you must have sweltered
he must have sweltered
we must have sweltered
you must have sweltered
they must have sweltered	I must have been sweltering
you must have been sweltering
he must have been sweltering
we must have been sweltering
you must have been sweltering
they must have been sweltering	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not swelter
you must not swelter
he must not swelter
we must not swelter
you must not swelter
they must not swelter 	I must not be sweltering
you must not be sweltering
he must not be sweltering
we must not be sweltering
you must not be sweltering
they must not be sweltering	I must not have sweltered
you must not have sweltered
he must not have sweltered
we must not have sweltered
you must not have sweltered
they must not have sweltered	I must not have been sweltering
you must not have been sweltering
he must not have been sweltering
we must not have been sweltering
you must not have been sweltering
they must not have been sweltering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I swelter?
must you swelter?
must he swelter?
must we swelter?
must you swelter?
must they swelter? 	must I be sweltering?
must you be sweltering?
must he be sweltering?
must we be sweltering?
must you be sweltering?
must they be sweltering? 	must I have sweltered?
must you have sweltered?
must he have sweltered?
must we have sweltered?
must you have sweltered?
must they have sweltered? 	must I have been sweltering?
must you have been sweltering?
must he have been sweltering?
must we have been sweltering?
must you have been sweltering?
must they have been sweltering? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not swelter?
must you not swelter?
must he not swelter?
must we not swelter?
must you not swelter?
must they not swelter? 	must I not be sweltering?
must you not be sweltering?
must he not be sweltering?
must we not be sweltering?
must you not be sweltering?
must they not be sweltering? 	must I not have sweltered?
must you not have sweltered?
must he not have sweltered?
must we not have sweltered?
must you not have sweltered?
must they not have sweltered? 	must I not have been sweltering?
must you not have been sweltering?
must he not have been sweltering?
must we not have been sweltering?
must you not have been sweltering?
must they not have been sweltering?