English verb conjugation
CAN MORTISE

Regular verb: mortise - mortised - mortised

Affirmation

Simple form	V-ing form
I can mortise you can mortise he can mortise we can mortise you can mortise they can mortise	I can be mortising you can be mortising he can be mortising we can be mortising you can be mortising they can be mortising
Perfect	V-ing perfect
I can have mortised you can have mortised he can have mortised we can have mortised you can have mortised they can have mortised	I can have been mortising you can have been mortising he can have been mortising we can have been mortising you can have been mortising they can have been mortising

Negation

Simple form	V-ing form
I can't mortise you can't mortise he can't mortise we can't mortise you can't mortise they can't mortise	I can't be mortising you can't be mortising he can't be mortising we can't be mortising you can't be mortising they can't be mortising
Perfect	V-ing perfect
I can't have mortised you can't have mortised he can't have mortised we can't have mortised you can't have mortised they can't have mortised	I can't have been mortising you can't have been mortising he can't have been mortising we can't have been mortising you can't have been mortising they can't have been mortising

Interrogative form

Simple form	V-ing form
can I mortise? can you mortise? can he mortise? can we mortise? can you mortise? can they mortise?	can I be mortising? can you be mortising? can he be mortising? can we be mortising? can you be mortising? can they be mortising?
Perfect	V-ing perfect
can I have mortised? can you have mortised? can he have mortised? can we have mortised? can you have mortised? can they have mortised?	can I have been mortising? can you have been mortising? can he have been mortising? can we have been mortising? can you have been mortising? can they have been mortising?

Interro-negative form

Simple form	V-ing form
can't I mortise? can't you mortise? can't he mortise? can't we mortise? can't you mortise? can't they mortise?	can't I be mortising? can't you be mortising? can't he be mortising? can't we be mortising? can't you be mortising? can't they be mortising?
Perfect	V-ing perfect
can't I have mortised? can't you have mortised? can't he have mortised? can't we have mortised? can't you have mortised? can't they have mortised?	can't I have been mortising? can't you have been mortising? can't he have been mortising? can't we have been mortising? can't you have been mortising? can't they have been mortising?