English verb conjugation
CAN CHOIR

Regular verb: choir - choired - choired

Affirmation

Simple form	V-ing form
I can choir you can choir she can choir we can choir you can choir they can choir	I can be choiring you can be choiring she can be choiring we can be choiring you can be choiring they can be choiring
Perfect	V-ing perfect
I can have choired you can have choired she can have choired we can have choired you can have choired they can have choired	I can have been choiring you can have been choiring she can have been choiring we can have been choiring you can have been choiring they can have been choiring

Negation

Simple form	V-ing form
I can't choir you can't choir she can't choir we can't choir you can't choir they can't choir	I can't be choiring you can't be choiring she can't be choiring we can't be choiring you can't be choiring they can't be choiring
Perfect	V-ing perfect
I can't have choired you can't have choired she can't have choired we can't have choired you can't have choired they can't have choired	I can't have been choiring you can't have been choiring she can't have been choiring we can't have been choiring you can't have been choiring they can't have been choiring

Interrogative form

Simple form	V-ing form
can I choir? can you choir? can she choir? can we choir? can you choir? can they choir?	can I be choiring? can you be choiring? can she be choiring? can we be choiring? can you be choiring? can they be choiring?
Perfect	V-ing perfect
can I have choired? can you have choired? can she have choired? can we have choired? can you have choired? can they have choired?	can I have been choiring? can you have been choiring? can she have been choiring? can we have been choiring? can you have been choiring? can they have been choiring?

Interro-negative form

Simple form	V-ing form
can't I choir? can't you choir? can't she choir? can't we choir? can't you choir? can't they choir?	can't I be choiring? can't you be choiring? can't she be choiring? can't we be choiring? can't you be choiring? can't they be choiring?
Perfect	V-ing perfect
can't I have choired? can't you have choired? can't she have choired? can't we have choired? can't you have choired? can't they have choired?	can't I have been choiring? can't you have been choiring? can't she have been choiring? can't we have been choiring? can't you have been choiring? can't they have been choiring?