must sow
Verbo irregular: sow - sowed- sown, sowed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must sow
you must sow
she must sow
we must sow
you must sow
they must sow 	I must be sowing
you must be sowing
she must be sowing
we must be sowing
you must be sowing
they must be sowing	I must have sown, sowed
you must have sown, sowed
she must have sown, sowed
we must have sown, sowed
you must have sown, sowed
they must have sown, sowed	I must have been sowing
you must have been sowing
she must have been sowing
we must have been sowing
you must have been sowing
they must have been sowing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not sow
you must not sow
she must not sow
we must not sow
you must not sow
they must not sow 	I must not be sowing
you must not be sowing
she must not be sowing
we must not be sowing
you must not be sowing
they must not be sowing	I must not have sown, sowed
you must not have sown, sowed
she must not have sown, sowed
we must not have sown, sowed
you must not have sown, sowed
they must not have sown, sowed	I must not have been sowing
you must not have been sowing
she must not have been sowing
we must not have been sowing
you must not have been sowing
they must not have been sowing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I sow?
must you sow?
must she sow?
must we sow?
must you sow?
must they sow? 	must I be sowing?
must you be sowing?
must she be sowing?
must we be sowing?
must you be sowing?
must they be sowing? 	must I have sown, sowed?
must you have sown, sowed?
must she have sown, sowed?
must we have sown, sowed?
must you have sown, sowed?
must they have sown, sowed? 	must I have been sowing?
must you have been sowing?
must she have been sowing?
must we have been sowing?
must you have been sowing?
must they have been sowing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not sow?
must you not sow?
must she not sow?
must we not sow?
must you not sow?
must they not sow? 	must I not be sowing?
must you not be sowing?
must she not be sowing?
must we not be sowing?
must you not be sowing?
must they not be sowing? 	must I not have sown, sowed?
must you not have sown, sowed?
must she not have sown, sowed?
must we not have sown, sowed?
must you not have sown, sowed?
must they not have sown, sowed? 	must I not have been sowing?
must you not have been sowing?
must she not have been sowing?
must we not have been sowing?
must you not have been sowing?
must they not have been sowing?