English verb conjugation
SHALL FORECAST

Irregular verb: forecast - forecast - forecast

Affirmation

Simple form	V-ing form
I shall forecast you shall forecast he shall forecast we shall forecast you shall forecast they shall forecast	I shall be forecasting you shall be forecasting he shall be forecasting we shall be forecasting you shall be forecasting they shall be forecasting
Perfect	V-ing perfect
I shall have forecast you shall have forecast he shall have forecast we shall have forecast you shall have forecast they shall have forecast	I shall have been forecasting you shall have been forecasting he shall have been forecasting we shall have been forecasting you shall have been forecasting they shall have been forecasting

Negation

Simple form	V-ing form
I shall not forecast you shall not forecast he shall not forecast we shall not forecast you shall not forecast they shall not forecast	I shall not be forecasting you shall not be forecasting he shall not be forecasting we shall not be forecasting you shall not be forecasting they shall not be forecasting
Perfect	V-ing perfect
I shall not have forecast you shall not have forecast he shall not have forecast we shall not have forecast you shall not have forecast they shall not have forecast	I shall not have been forecasting you shall not have been forecasting he shall not have been forecasting we shall not have been forecasting you shall not have been forecasting they shall not have been forecasting

Interrogative form

Simple form	V-ing form
shall I forecast? shall you forecast? shall he forecast? shall we forecast? shall you forecast? shall they forecast?	shall I be forecasting? shall you be forecasting? shall he be forecasting? shall we be forecasting? shall you be forecasting? shall they be forecasting?
Perfect	V-ing perfect
shall I have forecast? shall you have forecast? shall he have forecast? shall we have forecast? shall you have forecast? shall they have forecast?	shall I have been forecasting? shall you have been forecasting? shall he have been forecasting? shall we have been forecasting? shall you have been forecasting? shall they have been forecasting?

Interro-negative form

Simple form	V-ing form
shall I not forecast? shall you not forecast? shall he not forecast? shall we not forecast? shall you not forecast? shall they not forecast?	shall I not be forecasting? shall you not be forecasting? shall he not be forecasting? shall we not be forecasting? shall you not be forecasting? shall they not be forecasting?
Perfect	V-ing perfect
shall I not have forecast? shall you not have forecast? shall he not have forecast? shall we not have forecast? shall you not have forecast? shall they not have forecast?	shall I not have been forecasting? shall you not have been forecasting? shall he not have been forecasting? shall we not have been forecasting? shall you not have been forecasting? shall they not have been forecasting?