English verb conjugation
CAN SHORT

Regular verb: short - shorted - shorted

Affirmation

Simple form	V-ing form
I can short you can short she can short we can short you can short they can short	I can be shorting you can be shorting she can be shorting we can be shorting you can be shorting they can be shorting
Perfect	V-ing perfect
I can have shorted you can have shorted she can have shorted we can have shorted you can have shorted they can have shorted	I can have been shorting you can have been shorting she can have been shorting we can have been shorting you can have been shorting they can have been shorting

Negation

Simple form	V-ing form
I cannot short you cannot short she cannot short we cannot short you cannot short they cannot short	I cannot be shorting you cannot be shorting she cannot be shorting we cannot be shorting you cannot be shorting they cannot be shorting
Perfect	V-ing perfect
I cannot have shorted you cannot have shorted she cannot have shorted we cannot have shorted you cannot have shorted they cannot have shorted	I cannot have been shorting you cannot have been shorting she cannot have been shorting we cannot have been shorting you cannot have been shorting they cannot have been shorting

Interrogative form

Simple form	V-ing form
can I short? can you short? can she short? can we short? can you short? can they short?	can I be shorting? can you be shorting? can she be shorting? can we be shorting? can you be shorting? can they be shorting?
Perfect	V-ing perfect
can I have shorted? can you have shorted? can she have shorted? can we have shorted? can you have shorted? can they have shorted?	can I have been shorting? can you have been shorting? can she have been shorting? can we have been shorting? can you have been shorting? can they have been shorting?

Interro-negative form

Simple form	V-ing form
can I not short? can you not short? can she not short? can we not short? can you not short? can they not short?	can I not be shorting? can you not be shorting? can she not be shorting? can we not be shorting? can you not be shorting? can they not be shorting?
Perfect	V-ing perfect
can I not have shorted? can you not have shorted? can she not have shorted? can we not have shorted? can you not have shorted? can they not have shorted?	can I not have been shorting? can you not have been shorting? can she not have been shorting? can we not have been shorting? can you not have been shorting? can they not have been shorting?