English verb conjugation
CAN TENON

Regular verb: tenon - tenoned - tenoned

Affirmation

Simple form	V-ing form
I can tenon you can tenon he can tenon we can tenon you can tenon they can tenon	I can be tenoning you can be tenoning he can be tenoning we can be tenoning you can be tenoning they can be tenoning
Perfect	V-ing perfect
I can have tenoned you can have tenoned he can have tenoned we can have tenoned you can have tenoned they can have tenoned	I can have been tenoning you can have been tenoning he can have been tenoning we can have been tenoning you can have been tenoning they can have been tenoning

Negation

Simple form	V-ing form
I can't tenon you can't tenon he can't tenon we can't tenon you can't tenon they can't tenon	I can't be tenoning you can't be tenoning he can't be tenoning we can't be tenoning you can't be tenoning they can't be tenoning
Perfect	V-ing perfect
I can't have tenoned you can't have tenoned he can't have tenoned we can't have tenoned you can't have tenoned they can't have tenoned	I can't have been tenoning you can't have been tenoning he can't have been tenoning we can't have been tenoning you can't have been tenoning they can't have been tenoning

Interrogative form

Simple form	V-ing form
can I tenon? can you tenon? can he tenon? can we tenon? can you tenon? can they tenon?	can I be tenoning? can you be tenoning? can he be tenoning? can we be tenoning? can you be tenoning? can they be tenoning?
Perfect	V-ing perfect
can I have tenoned? can you have tenoned? can he have tenoned? can we have tenoned? can you have tenoned? can they have tenoned?	can I have been tenoning? can you have been tenoning? can he have been tenoning? can we have been tenoning? can you have been tenoning? can they have been tenoning?

Interro-negative form

Simple form	V-ing form
can't I tenon? can't you tenon? can't he tenon? can't we tenon? can't you tenon? can't they tenon?	can't I be tenoning? can't you be tenoning? can't he be tenoning? can't we be tenoning? can't you be tenoning? can't they be tenoning?
Perfect	V-ing perfect
can't I have tenoned? can't you have tenoned? can't he have tenoned? can't we have tenoned? can't you have tenoned? can't they have tenoned?	can't I have been tenoning? can't you have been tenoning? can't he have been tenoning? can't we have been tenoning? can't you have been tenoning? can't they have been tenoning?