English verb conjugation
CAN JEST

Regular verb: jest - jested - jested

Affirmation

Simple form	V-ing form
I can jest you can jest he can jest we can jest you can jest they can jest	I can be jesting you can be jesting he can be jesting we can be jesting you can be jesting they can be jesting
Perfect	V-ing perfect
I can have jested you can have jested he can have jested we can have jested you can have jested they can have jested	I can have been jesting you can have been jesting he can have been jesting we can have been jesting you can have been jesting they can have been jesting

Negation

Simple form	V-ing form
I can't jest you can't jest he can't jest we can't jest you can't jest they can't jest	I can't be jesting you can't be jesting he can't be jesting we can't be jesting you can't be jesting they can't be jesting
Perfect	V-ing perfect
I can't have jested you can't have jested he can't have jested we can't have jested you can't have jested they can't have jested	I can't have been jesting you can't have been jesting he can't have been jesting we can't have been jesting you can't have been jesting they can't have been jesting

Interrogative form

Simple form	V-ing form
can I jest? can you jest? can he jest? can we jest? can you jest? can they jest?	can I be jesting? can you be jesting? can he be jesting? can we be jesting? can you be jesting? can they be jesting?
Perfect	V-ing perfect
can I have jested? can you have jested? can he have jested? can we have jested? can you have jested? can they have jested?	can I have been jesting? can you have been jesting? can he have been jesting? can we have been jesting? can you have been jesting? can they have been jesting?

Interro-negative form

Simple form	V-ing form
can't I jest? can't you jest? can't he jest? can't we jest? can't you jest? can't they jest?	can't I be jesting? can't you be jesting? can't he be jesting? can't we be jesting? can't you be jesting? can't they be jesting?
Perfect	V-ing perfect
can't I have jested? can't you have jested? can't he have jested? can't we have jested? can't you have jested? can't they have jested?	can't I have been jesting? can't you have been jesting? can't he have been jesting? can't we have been jesting? can't you have been jesting? can't they have been jesting?