English verb conjugation
MAY FORECAST

Irregular verb: forecast - forecast - forecast

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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