English verb conjugation
CAN UPRIGHT

Regular verb: upright - uprighted - uprighted

Affirmation

Simple form	V-ing form
I can upright you can upright he can upright we can upright you can upright they can upright	I can be uprighting you can be uprighting he can be uprighting we can be uprighting you can be uprighting they can be uprighting
Perfect	V-ing perfect
I can have uprighted you can have uprighted he can have uprighted we can have uprighted you can have uprighted they can have uprighted	I can have been uprighting you can have been uprighting he can have been uprighting we can have been uprighting you can have been uprighting they can have been uprighting

Negation

Simple form	V-ing form
I can't upright you can't upright he can't upright we can't upright you can't upright they can't upright	I can't be uprighting you can't be uprighting he can't be uprighting we can't be uprighting you can't be uprighting they can't be uprighting
Perfect	V-ing perfect
I can't have uprighted you can't have uprighted he can't have uprighted we can't have uprighted you can't have uprighted they can't have uprighted	I can't have been uprighting you can't have been uprighting he can't have been uprighting we can't have been uprighting you can't have been uprighting they can't have been uprighting

Interrogative form

Simple form	V-ing form
can I upright? can you upright? can he upright? can we upright? can you upright? can they upright?	can I be uprighting? can you be uprighting? can he be uprighting? can we be uprighting? can you be uprighting? can they be uprighting?
Perfect	V-ing perfect
can I have uprighted? can you have uprighted? can he have uprighted? can we have uprighted? can you have uprighted? can they have uprighted?	can I have been uprighting? can you have been uprighting? can he have been uprighting? can we have been uprighting? can you have been uprighting? can they have been uprighting?

Interro-negative form

Simple form	V-ing form
can't I upright? can't you upright? can't he upright? can't we upright? can't you upright? can't they upright?	can't I be uprighting? can't you be uprighting? can't he be uprighting? can't we be uprighting? can't you be uprighting? can't they be uprighting?
Perfect	V-ing perfect
can't I have uprighted? can't you have uprighted? can't he have uprighted? can't we have uprighted? can't you have uprighted? can't they have uprighted?	can't I have been uprighting? can't you have been uprighting? can't he have been uprighting? can't we have been uprighting? can't you have been uprighting? can't they have been uprighting?