must swap
Verbo regular: swap - swaped- swaped

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must swap
you must swap
he must swap
we must swap
you must swap
they must swap 	I must be swaping
you must be swaping
he must be swaping
we must be swaping
you must be swaping
they must be swaping	I must have swaped
you must have swaped
he must have swaped
we must have swaped
you must have swaped
they must have swaped	I must have been swaping
you must have been swaping
he must have been swaping
we must have been swaping
you must have been swaping
they must have been swaping	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not swap
you must not swap
he must not swap
we must not swap
you must not swap
they must not swap 	I must not be swaping
you must not be swaping
he must not be swaping
we must not be swaping
you must not be swaping
they must not be swaping	I must not have swaped
you must not have swaped
he must not have swaped
we must not have swaped
you must not have swaped
they must not have swaped	I must not have been swaping
you must not have been swaping
he must not have been swaping
we must not have been swaping
you must not have been swaping
they must not have been swaping	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I swap?
must you swap?
must he swap?
must we swap?
must you swap?
must they swap? 	must I be swaping?
must you be swaping?
must he be swaping?
must we be swaping?
must you be swaping?
must they be swaping? 	must I have swaped?
must you have swaped?
must he have swaped?
must we have swaped?
must you have swaped?
must they have swaped? 	must I have been swaping?
must you have been swaping?
must he have been swaping?
must we have been swaping?
must you have been swaping?
must they have been swaping? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not swap?
must you not swap?
must he not swap?
must we not swap?
must you not swap?
must they not swap? 	must I not be swaping?
must you not be swaping?
must he not be swaping?
must we not be swaping?
must you not be swaping?
must they not be swaping? 	must I not have swaped?
must you not have swaped?
must he not have swaped?
must we not have swaped?
must you not have swaped?
must they not have swaped? 	must I not have been swaping?
must you not have been swaping?
must he not have been swaping?
must we not have been swaping?
must you not have been swaping?
must they not have been swaping?