must slump
Verbo regular: slump - slumped- slumped

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must slump
you must slump
he must slump
we must slump
you must slump
they must slump 	I must be slumping
you must be slumping
he must be slumping
we must be slumping
you must be slumping
they must be slumping	I must have slumped
you must have slumped
he must have slumped
we must have slumped
you must have slumped
they must have slumped	I must have been slumping
you must have been slumping
he must have been slumping
we must have been slumping
you must have been slumping
they must have been slumping	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not slump
you must not slump
he must not slump
we must not slump
you must not slump
they must not slump 	I must not be slumping
you must not be slumping
he must not be slumping
we must not be slumping
you must not be slumping
they must not be slumping	I must not have slumped
you must not have slumped
he must not have slumped
we must not have slumped
you must not have slumped
they must not have slumped	I must not have been slumping
you must not have been slumping
he must not have been slumping
we must not have been slumping
you must not have been slumping
they must not have been slumping	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I slump?
must you slump?
must he slump?
must we slump?
must you slump?
must they slump? 	must I be slumping?
must you be slumping?
must he be slumping?
must we be slumping?
must you be slumping?
must they be slumping? 	must I have slumped?
must you have slumped?
must he have slumped?
must we have slumped?
must you have slumped?
must they have slumped? 	must I have been slumping?
must you have been slumping?
must he have been slumping?
must we have been slumping?
must you have been slumping?
must they have been slumping? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not slump?
must you not slump?
must he not slump?
must we not slump?
must you not slump?
must they not slump? 	must I not be slumping?
must you not be slumping?
must he not be slumping?
must we not be slumping?
must you not be slumping?
must they not be slumping? 	must I not have slumped?
must you not have slumped?
must he not have slumped?
must we not have slumped?
must you not have slumped?
must they not have slumped? 	must I not have been slumping?
must you not have been slumping?
must he not have been slumping?
must we not have been slumping?
must you not have been slumping?
must they not have been slumping?