English verb conjugation
SHALL BUTTRESS

Regular verb: buttress - buttressed - buttressed

Affirmation

Simple form	V-ing form
I shall buttress you shall buttress she shall buttress we shall buttress you shall buttress they shall buttress	I shall be buttressing you shall be buttressing she shall be buttressing we shall be buttressing you shall be buttressing they shall be buttressing
Perfect	V-ing perfect
I shall have buttressed you shall have buttressed she shall have buttressed we shall have buttressed you shall have buttressed they shall have buttressed	I shall have been buttressing you shall have been buttressing she shall have been buttressing we shall have been buttressing you shall have been buttressing they shall have been buttressing

Negation

Simple form	V-ing form
I shall not buttress you shall not buttress she shall not buttress we shall not buttress you shall not buttress they shall not buttress	I shall not be buttressing you shall not be buttressing she shall not be buttressing we shall not be buttressing you shall not be buttressing they shall not be buttressing
Perfect	V-ing perfect
I shall not have buttressed you shall not have buttressed she shall not have buttressed we shall not have buttressed you shall not have buttressed they shall not have buttressed	I shall not have been buttressing you shall not have been buttressing she shall not have been buttressing we shall not have been buttressing you shall not have been buttressing they shall not have been buttressing

Interrogative form

Simple form	V-ing form
shall I buttress? shall you buttress? shall she buttress? shall we buttress? shall you buttress? shall they buttress?	shall I be buttressing? shall you be buttressing? shall she be buttressing? shall we be buttressing? shall you be buttressing? shall they be buttressing?
Perfect	V-ing perfect
shall I have buttressed? shall you have buttressed? shall she have buttressed? shall we have buttressed? shall you have buttressed? shall they have buttressed?	shall I have been buttressing? shall you have been buttressing? shall she have been buttressing? shall we have been buttressing? shall you have been buttressing? shall they have been buttressing?

Interro-negative form

Simple form	V-ing form
shall I not buttress? shall you not buttress? shall she not buttress? shall we not buttress? shall you not buttress? shall they not buttress?	shall I not be buttressing? shall you not be buttressing? shall she not be buttressing? shall we not be buttressing? shall you not be buttressing? shall they not be buttressing?
Perfect	V-ing perfect
shall I not have buttressed? shall you not have buttressed? shall she not have buttressed? shall we not have buttressed? shall you not have buttressed? shall they not have buttressed?	shall I not have been buttressing? shall you not have been buttressing? shall she not have been buttressing? shall we not have been buttressing? shall you not have been buttressing? shall they not have been buttressing?