English verb conjugation
CAN FORECAST

Irregular verb: forecast - forecast - forecast

Affirmation

Simple form	V-ing form
I can forecast you can forecast she can forecast we can forecast you can forecast they can forecast	I can be forecasting you can be forecasting she 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 she 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 she 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 can't forecast you can't forecast she can't forecast we can't forecast you can't forecast they can't forecast	I can't be forecasting you can't be forecasting she can't be forecasting we can't be forecasting you can't be forecasting they can't be forecasting
Perfect	V-ing perfect
I can't have forecast you can't have forecast she can't have forecast we can't have forecast you can't have forecast they can't have forecast	I can't have been forecasting you can't have been forecasting she can't have been forecasting we can't have been forecasting you can't have been forecasting they can't have been forecasting

Interrogative form

Simple form	V-ing form
can I forecast? can you forecast? can she forecast? can we forecast? can you forecast? can they forecast?	can I be forecasting? can you be forecasting? can she 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 she 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 she 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't I forecast? can't you forecast? can't she forecast? can't we forecast? can't you forecast? can't they forecast?	can't I be forecasting? can't you be forecasting? can't she be forecasting? can't we be forecasting? can't you be forecasting? can't they be forecasting?
Perfect	V-ing perfect
can't I have forecast? can't you have forecast? can't she have forecast? can't we have forecast? can't you have forecast? can't they have forecast?	can't I have been forecasting? can't you have been forecasting? can't she have been forecasting? can't we have been forecasting? can't you have been forecasting? can't they have been forecasting?