English verb conjugation
CAN UPSISE

Regular verb: upsise - upsised - upsised

Affirmation

Simple form	V-ing form
I can upsise you can upsise he can upsise we can upsise you can upsise they can upsise	I can be upsising you can be upsising he can be upsising we can be upsising you can be upsising they can be upsising
Perfect	V-ing perfect
I can have upsised you can have upsised he can have upsised we can have upsised you can have upsised they can have upsised	I can have been upsising you can have been upsising he can have been upsising we can have been upsising you can have been upsising they can have been upsising

Negation

Simple form	V-ing form
I cannot upsise you cannot upsise he cannot upsise we cannot upsise you cannot upsise they cannot upsise	I cannot be upsising you cannot be upsising he cannot be upsising we cannot be upsising you cannot be upsising they cannot be upsising
Perfect	V-ing perfect
I cannot have upsised you cannot have upsised he cannot have upsised we cannot have upsised you cannot have upsised they cannot have upsised	I cannot have been upsising you cannot have been upsising he cannot have been upsising we cannot have been upsising you cannot have been upsising they cannot have been upsising

Interrogative form

Simple form	V-ing form
can I upsise? can you upsise? can he upsise? can we upsise? can you upsise? can they upsise?	can I be upsising? can you be upsising? can he be upsising? can we be upsising? can you be upsising? can they be upsising?
Perfect	V-ing perfect
can I have upsised? can you have upsised? can he have upsised? can we have upsised? can you have upsised? can they have upsised?	can I have been upsising? can you have been upsising? can he have been upsising? can we have been upsising? can you have been upsising? can they have been upsising?

Interro-negative form

Simple form	V-ing form
can I not upsise? can you not upsise? can he not upsise? can we not upsise? can you not upsise? can they not upsise?	can I not be upsising? can you not be upsising? can he not be upsising? can we not be upsising? can you not be upsising? can they not be upsising?
Perfect	V-ing perfect
can I not have upsised? can you not have upsised? can he not have upsised? can we not have upsised? can you not have upsised? can they not have upsised?	can I not have been upsising? can you not have been upsising? can he not have been upsising? can we not have been upsising? can you not have been upsising? can they not have been upsising?