must swop
Verbo regular: swop - swopped- swopped

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must swop
you must swop
he must swop
we must swop
you must swop
they must swop 	I must be swopping
you must be swopping
he must be swopping
we must be swopping
you must be swopping
they must be swopping	I must have swopped
you must have swopped
he must have swopped
we must have swopped
you must have swopped
they must have swopped	I must have been swopping
you must have been swopping
he must have been swopping
we must have been swopping
you must have been swopping
they must have been swopping	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not swop
you must not swop
he must not swop
we must not swop
you must not swop
they must not swop 	I must not be swopping
you must not be swopping
he must not be swopping
we must not be swopping
you must not be swopping
they must not be swopping	I must not have swopped
you must not have swopped
he must not have swopped
we must not have swopped
you must not have swopped
they must not have swopped	I must not have been swopping
you must not have been swopping
he must not have been swopping
we must not have been swopping
you must not have been swopping
they must not have been swopping	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I swop?
must you swop?
must he swop?
must we swop?
must you swop?
must they swop? 	must I be swopping?
must you be swopping?
must he be swopping?
must we be swopping?
must you be swopping?
must they be swopping? 	must I have swopped?
must you have swopped?
must he have swopped?
must we have swopped?
must you have swopped?
must they have swopped? 	must I have been swopping?
must you have been swopping?
must he have been swopping?
must we have been swopping?
must you have been swopping?
must they have been swopping? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not swop?
must you not swop?
must he not swop?
must we not swop?
must you not swop?
must they not swop? 	must I not be swopping?
must you not be swopping?
must he not be swopping?
must we not be swopping?
must you not be swopping?
must they not be swopping? 	must I not have swopped?
must you not have swopped?
must he not have swopped?
must we not have swopped?
must you not have swopped?
must they not have swopped? 	must I not have been swopping?
must you not have been swopping?
must he not have been swopping?
must we not have been swopping?
must you not have been swopping?
must they not have been swopping?