English verb conjugation
SHALL ROOF

Regular verb: roof - roofed - roofed

Affirmation

Simple form	V-ing form
I shall roof you shall roof he shall roof we shall roof you shall roof they shall roof	I shall be roofing you shall be roofing he shall be roofing we shall be roofing you shall be roofing they shall be roofing
Perfect	V-ing perfect
I shall have roofed you shall have roofed he shall have roofed we shall have roofed you shall have roofed they shall have roofed	I shall have been roofing you shall have been roofing he shall have been roofing we shall have been roofing you shall have been roofing they shall have been roofing

Negation

Simple form	V-ing form
I shall not roof you shall not roof he shall not roof we shall not roof you shall not roof they shall not roof	I shall not be roofing you shall not be roofing he shall not be roofing we shall not be roofing you shall not be roofing they shall not be roofing
Perfect	V-ing perfect
I shall not have roofed you shall not have roofed he shall not have roofed we shall not have roofed you shall not have roofed they shall not have roofed	I shall not have been roofing you shall not have been roofing he shall not have been roofing we shall not have been roofing you shall not have been roofing they shall not have been roofing

Interrogative form

Simple form	V-ing form
shall I roof? shall you roof? shall he roof? shall we roof? shall you roof? shall they roof?	shall I be roofing? shall you be roofing? shall he be roofing? shall we be roofing? shall you be roofing? shall they be roofing?
Perfect	V-ing perfect
shall I have roofed? shall you have roofed? shall he have roofed? shall we have roofed? shall you have roofed? shall they have roofed?	shall I have been roofing? shall you have been roofing? shall he have been roofing? shall we have been roofing? shall you have been roofing? shall they have been roofing?

Interro-negative form

Simple form	V-ing form
shall I not roof? shall you not roof? shall he not roof? shall we not roof? shall you not roof? shall they not roof?	shall I not be roofing? shall you not be roofing? shall he not be roofing? shall we not be roofing? shall you not be roofing? shall they not be roofing?
Perfect	V-ing perfect
shall I not have roofed? shall you not have roofed? shall he not have roofed? shall we not have roofed? shall you not have roofed? shall they not have roofed?	shall I not have been roofing? shall you not have been roofing? shall he not have been roofing? shall we not have been roofing? shall you not have been roofing? shall they not have been roofing?