will descale
Regular verb: descale - descaled- descaled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I will descale
you will descale
she will descale
we will descale
you will descale
they will descale 	I will be descaling
you will be descaling
she will be descaling
we will be descaling
you will be descaling
they will be descaling	I will have descaled
you will have descaled
she will have descaled
we will have descaled
you will have descaled
they will have descaled	I will have been descaling
you will have been descaling
she will have been descaling
we will have been descaling
you will have been descaling
they will have been descaling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I will not descale
you will not descale
she will not descale
we will not descale
you will not descale
they will not descale 	I will not be descaling
you will not be descaling
she will not be descaling
we will not be descaling
you will not be descaling
they will not be descaling	I will not have descaled
you will not have descaled
she will not have descaled
we will not have descaled
you will not have descaled
they will not have descaled	I will not have been descaling
you will not have been descaling
she will not have been descaling
we will not have been descaling
you will not have been descaling
they will not have been descaling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
will I descale?
will you descale?
will she descale?
will we descale?
will you descale?
will they descale? 	will I be descaling?
will you be descaling?
will she be descaling?
will we be descaling?
will you be descaling?
will they be descaling? 	will I have descaled?
will you have descaled?
will she have descaled?
will we have descaled?
will you have descaled?
will they have descaled? 	will I have been descaling?
will you have been descaling?
will she have been descaling?
will we have been descaling?
will you have been descaling?
will they have been descaling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
will I not descale?
will you not descale?
will she not descale?
will we not descale?
will you not descale?
will they not descale? 	will I not be descaling?
will you not be descaling?
will she not be descaling?
will we not be descaling?
will you not be descaling?
will they not be descaling? 	will I not have descaled?
will you not have descaled?
will she not have descaled?
will we not have descaled?
will you not have descaled?
will they not have descaled? 	will I not have been descaling?
will you not have been descaling?
will she not have been descaling?
will we not have been descaling?
will you not have been descaling?
will they not have been descaling?