must stickle
Verbo regular: stickle - stickled- stickled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must stickle
you must stickle
he must stickle
we must stickle
you must stickle
they must stickle 	I must be stickling
you must be stickling
he must be stickling
we must be stickling
you must be stickling
they must be stickling	I must have stickled
you must have stickled
he must have stickled
we must have stickled
you must have stickled
they must have stickled	I must have been stickling
you must have been stickling
he must have been stickling
we must have been stickling
you must have been stickling
they must have been stickling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not stickle
you must not stickle
he must not stickle
we must not stickle
you must not stickle
they must not stickle 	I must not be stickling
you must not be stickling
he must not be stickling
we must not be stickling
you must not be stickling
they must not be stickling	I must not have stickled
you must not have stickled
he must not have stickled
we must not have stickled
you must not have stickled
they must not have stickled	I must not have been stickling
you must not have been stickling
he must not have been stickling
we must not have been stickling
you must not have been stickling
they must not have been stickling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I stickle?
must you stickle?
must he stickle?
must we stickle?
must you stickle?
must they stickle? 	must I be stickling?
must you be stickling?
must he be stickling?
must we be stickling?
must you be stickling?
must they be stickling? 	must I have stickled?
must you have stickled?
must he have stickled?
must we have stickled?
must you have stickled?
must they have stickled? 	must I have been stickling?
must you have been stickling?
must he have been stickling?
must we have been stickling?
must you have been stickling?
must they have been stickling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not stickle?
must you not stickle?
must he not stickle?
must we not stickle?
must you not stickle?
must they not stickle? 	must I not be stickling?
must you not be stickling?
must he not be stickling?
must we not be stickling?
must you not be stickling?
must they not be stickling? 	must I not have stickled?
must you not have stickled?
must he not have stickled?
must we not have stickled?
must you not have stickled?
must they not have stickled? 	must I not have been stickling?
must you not have been stickling?
must he not have been stickling?
must we not have been stickling?
must you not have been stickling?
must they not have been stickling?