English verb conjugation
CAN INTER

Regular verb: inter - interred - interred

Affirmation

Simple form	V-ing form
I can inter you can inter he can inter we can inter you can inter they can inter	I can be interring you can be interring he can be interring we can be interring you can be interring they can be interring
Perfect	V-ing perfect
I can have interred you can have interred he can have interred we can have interred you can have interred they can have interred	I can have been interring you can have been interring he can have been interring we can have been interring you can have been interring they can have been interring

Negation

Simple form	V-ing form
I can't inter you can't inter he can't inter we can't inter you can't inter they can't inter	I can't be interring you can't be interring he can't be interring we can't be interring you can't be interring they can't be interring
Perfect	V-ing perfect
I can't have interred you can't have interred he can't have interred we can't have interred you can't have interred they can't have interred	I can't have been interring you can't have been interring he can't have been interring we can't have been interring you can't have been interring they can't have been interring

Interrogative form

Simple form	V-ing form
can I inter? can you inter? can he inter? can we inter? can you inter? can they inter?	can I be interring? can you be interring? can he be interring? can we be interring? can you be interring? can they be interring?
Perfect	V-ing perfect
can I have interred? can you have interred? can he have interred? can we have interred? can you have interred? can they have interred?	can I have been interring? can you have been interring? can he have been interring? can we have been interring? can you have been interring? can they have been interring?

Interro-negative form

Simple form	V-ing form
can't I inter? can't you inter? can't he inter? can't we inter? can't you inter? can't they inter?	can't I be interring? can't you be interring? can't he be interring? can't we be interring? can't you be interring? can't they be interring?
Perfect	V-ing perfect
can't I have interred? can't you have interred? can't he have interred? can't we have interred? can't you have interred? can't they have interred?	can't I have been interring? can't you have been interring? can't he have been interring? can't we have been interring? can't you have been interring? can't they have been interring?