English verb conjugation
CAN UPSISE

Regular verb: upsise - upsised - upsised

Affirmation

Simple form	V-ing form
I can upsise you can upsise she can upsise we can upsise you can upsise they can upsise	I can be upsising you can be upsising she 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 she 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 she 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 can't upsise you can't upsise she can't upsise we can't upsise you can't upsise they can't upsise	I can't be upsising you can't be upsising she can't be upsising we can't be upsising you can't be upsising they can't be upsising
Perfect	V-ing perfect
I can't have upsised you can't have upsised she can't have upsised we can't have upsised you can't have upsised they can't have upsised	I can't have been upsising you can't have been upsising she can't have been upsising we can't have been upsising you can't have been upsising they can't have been upsising

Interrogative form

Simple form	V-ing form
can I upsise? can you upsise? can she upsise? can we upsise? can you upsise? can they upsise?	can I be upsising? can you be upsising? can she 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 she 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 she 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't I upsise? can't you upsise? can't she upsise? can't we upsise? can't you upsise? can't they upsise?	can't I be upsising? can't you be upsising? can't she be upsising? can't we be upsising? can't you be upsising? can't they be upsising?
Perfect	V-ing perfect
can't I have upsised? can't you have upsised? can't she have upsised? can't we have upsised? can't you have upsised? can't they have upsised?	can't I have been upsising? can't you have been upsising? can't she have been upsising? can't we have been upsising? can't you have been upsising? can't they have been upsising?