English verb conjugation
SHALL DULL

Regular verb: dull - dulled - dulled

Affirmation

Simple form	V-ing form
I shall dull you shall dull she shall dull we shall dull you shall dull they shall dull	I shall be dulling you shall be dulling she shall be dulling we shall be dulling you shall be dulling they shall be dulling
Perfect	V-ing perfect
I shall have dulled you shall have dulled she shall have dulled we shall have dulled you shall have dulled they shall have dulled	I shall have been dulling you shall have been dulling she shall have been dulling we shall have been dulling you shall have been dulling they shall have been dulling

Negation

Simple form	V-ing form
I shall not dull you shall not dull she shall not dull we shall not dull you shall not dull they shall not dull	I shall not be dulling you shall not be dulling she shall not be dulling we shall not be dulling you shall not be dulling they shall not be dulling
Perfect	V-ing perfect
I shall not have dulled you shall not have dulled she shall not have dulled we shall not have dulled you shall not have dulled they shall not have dulled	I shall not have been dulling you shall not have been dulling she shall not have been dulling we shall not have been dulling you shall not have been dulling they shall not have been dulling

Interrogative form

Simple form	V-ing form
shall I dull? shall you dull? shall she dull? shall we dull? shall you dull? shall they dull?	shall I be dulling? shall you be dulling? shall she be dulling? shall we be dulling? shall you be dulling? shall they be dulling?
Perfect	V-ing perfect
shall I have dulled? shall you have dulled? shall she have dulled? shall we have dulled? shall you have dulled? shall they have dulled?	shall I have been dulling? shall you have been dulling? shall she have been dulling? shall we have been dulling? shall you have been dulling? shall they have been dulling?

Interro-negative form

Simple form	V-ing form
shall I not dull? shall you not dull? shall she not dull? shall we not dull? shall you not dull? shall they not dull?	shall I not be dulling? shall you not be dulling? shall she not be dulling? shall we not be dulling? shall you not be dulling? shall they not be dulling?
Perfect	V-ing perfect
shall I not have dulled? shall you not have dulled? shall she not have dulled? shall we not have dulled? shall you not have dulled? shall they not have dulled?	shall I not have been dulling? shall you not have been dulling? shall she not have been dulling? shall we not have been dulling? shall you not have been dulling? shall they not have been dulling?