shall slacken
Verbo regolare: slacken - slackened- slackened

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I shall slacken
you shall slacken
he shall slacken
we shall slacken
you shall slacken
they shall slacken 	I shall be slackening
you shall be slackening
he shall be slackening
we shall be slackening
you shall be slackening
they shall be slackening	I shall have slackened
you shall have slackened
he shall have slackened
we shall have slackened
you shall have slackened
they shall have slackened	I shall have been slackening
you shall have been slackening
he shall have been slackening
we shall have been slackening
you shall have been slackening
they shall have been slackening	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I shall not slacken
you shall not slacken
he shall not slacken
we shall not slacken
you shall not slacken
they shall not slacken 	I shall not be slackening
you shall not be slackening
he shall not be slackening
we shall not be slackening
you shall not be slackening
they shall not be slackening	I shall not have slackened
you shall not have slackened
he shall not have slackened
we shall not have slackened
you shall not have slackened
they shall not have slackened	I shall not have been slackening
you shall not have been slackening
he shall not have been slackening
we shall not have been slackening
you shall not have been slackening
they shall not have been slackening	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
shall I slacken?
shall you slacken?
shall he slacken?
shall we slacken?
shall you slacken?
shall they slacken? 	shall I be slackening?
shall you be slackening?
shall he be slackening?
shall we be slackening?
shall you be slackening?
shall they be slackening? 	shall I have slackened?
shall you have slackened?
shall he have slackened?
shall we have slackened?
shall you have slackened?
shall they have slackened? 	shall I have been slackening?
shall you have been slackening?
shall he have been slackening?
shall we have been slackening?
shall you have been slackening?
shall they have been slackening? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
shall I not slacken?
shall you not slacken?
shall he not slacken?
shall we not slacken?
shall you not slacken?
shall they not slacken? 	shall I not be slackening?
shall you not be slackening?
shall he not be slackening?
shall we not be slackening?
shall you not be slackening?
shall they not be slackening? 	shall I not have slackened?
shall you not have slackened?
shall he not have slackened?
shall we not have slackened?
shall you not have slackened?
shall they not have slackened? 	shall I not have been slackening?
shall you not have been slackening?
shall he not have been slackening?
shall we not have been slackening?
shall you not have been slackening?
shall they not have been slackening?