English verb conjugation
CAN FORECAST

Irregular verb: forecast - forecast - forecast

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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