English verb conjugation
CAN SIUM

Regular verb: sium - siumed - siumed

Affirmation

Simple form	V-ing form
I can sium you can sium she can sium we can sium you can sium they can sium	I can be siuming you can be siuming she can be siuming we can be siuming you can be siuming they can be siuming
Perfect	V-ing perfect
I can have siumed you can have siumed she can have siumed we can have siumed you can have siumed they can have siumed	I can have been siuming you can have been siuming she can have been siuming we can have been siuming you can have been siuming they can have been siuming

Negation

Simple form	V-ing form
I cannot sium you cannot sium she cannot sium we cannot sium you cannot sium they cannot sium	I cannot be siuming you cannot be siuming she cannot be siuming we cannot be siuming you cannot be siuming they cannot be siuming
Perfect	V-ing perfect
I cannot have siumed you cannot have siumed she cannot have siumed we cannot have siumed you cannot have siumed they cannot have siumed	I cannot have been siuming you cannot have been siuming she cannot have been siuming we cannot have been siuming you cannot have been siuming they cannot have been siuming

Interrogative form

Simple form	V-ing form
can I sium? can you sium? can she sium? can we sium? can you sium? can they sium?	can I be siuming? can you be siuming? can she be siuming? can we be siuming? can you be siuming? can they be siuming?
Perfect	V-ing perfect
can I have siumed? can you have siumed? can she have siumed? can we have siumed? can you have siumed? can they have siumed?	can I have been siuming? can you have been siuming? can she have been siuming? can we have been siuming? can you have been siuming? can they have been siuming?

Interro-negative form

Simple form	V-ing form
can I not sium? can you not sium? can she not sium? can we not sium? can you not sium? can they not sium?	can I not be siuming? can you not be siuming? can she not be siuming? can we not be siuming? can you not be siuming? can they not be siuming?
Perfect	V-ing perfect
can I not have siumed? can you not have siumed? can she not have siumed? can we not have siumed? can you not have siumed? can they not have siumed?	can I not have been siuming? can you not have been siuming? can she not have been siuming? can we not have been siuming? can you not have been siuming? can they not have been siuming?