English verb conjugation
COULD FORECAST

Irregular verb: forecast - forecast - forecast

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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