must syringe
Verbo regular: syringe - syringed- syringed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must syringe
you must syringe
he must syringe
we must syringe
you must syringe
they must syringe 	I must be syringing
you must be syringing
he must be syringing
we must be syringing
you must be syringing
they must be syringing	I must have syringed
you must have syringed
he must have syringed
we must have syringed
you must have syringed
they must have syringed	I must have been syringing
you must have been syringing
he must have been syringing
we must have been syringing
you must have been syringing
they must have been syringing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not syringe
you must not syringe
he must not syringe
we must not syringe
you must not syringe
they must not syringe 	I must not be syringing
you must not be syringing
he must not be syringing
we must not be syringing
you must not be syringing
they must not be syringing	I must not have syringed
you must not have syringed
he must not have syringed
we must not have syringed
you must not have syringed
they must not have syringed	I must not have been syringing
you must not have been syringing
he must not have been syringing
we must not have been syringing
you must not have been syringing
they must not have been syringing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I syringe?
must you syringe?
must he syringe?
must we syringe?
must you syringe?
must they syringe? 	must I be syringing?
must you be syringing?
must he be syringing?
must we be syringing?
must you be syringing?
must they be syringing? 	must I have syringed?
must you have syringed?
must he have syringed?
must we have syringed?
must you have syringed?
must they have syringed? 	must I have been syringing?
must you have been syringing?
must he have been syringing?
must we have been syringing?
must you have been syringing?
must they have been syringing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not syringe?
must you not syringe?
must he not syringe?
must we not syringe?
must you not syringe?
must they not syringe? 	must I not be syringing?
must you not be syringing?
must he not be syringing?
must we not be syringing?
must you not be syringing?
must they not be syringing? 	must I not have syringed?
must you not have syringed?
must he not have syringed?
must we not have syringed?
must you not have syringed?
must they not have syringed? 	must I not have been syringing?
must you not have been syringing?
must he not have been syringing?
must we not have been syringing?
must you not have been syringing?
must they not have been syringing?