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 cannot upright you cannot upright he cannot upright we cannot upright you cannot upright they cannot upright	I cannot be uprighting you cannot be uprighting he cannot be uprighting we cannot be uprighting you cannot be uprighting they cannot be uprighting
Perfect	V-ing perfect
I cannot have uprighted you cannot have uprighted he cannot have uprighted we cannot have uprighted you cannot have uprighted they cannot have uprighted	I cannot have been uprighting you cannot have been uprighting he cannot have been uprighting we cannot have been uprighting you cannot have been uprighting they cannot 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 I not upright? can you not upright? can he not upright? can we not upright? can you not upright? can they not upright?	can I not be uprighting? can you not be uprighting? can he not be uprighting? can we not be uprighting? can you not be uprighting? can they not be uprighting?
Perfect	V-ing perfect
can I not have uprighted? can you not have uprighted? can he not have uprighted? can we not have uprighted? can you not have uprighted? can they not have uprighted?	can I not have been uprighting? can you not have been uprighting? can he not have been uprighting? can we not have been uprighting? can you not have been uprighting? can they not have been uprighting?