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 cannot inter you cannot inter he cannot inter we cannot inter you cannot inter they cannot inter	I cannot be interring you cannot be interring he cannot be interring we cannot be interring you cannot be interring they cannot be interring
Perfect	V-ing perfect
I cannot have interred you cannot have interred he cannot have interred we cannot have interred you cannot have interred they cannot have interred	I cannot have been interring you cannot have been interring he cannot have been interring we cannot have been interring you cannot have been interring they cannot 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 I not inter? can you not inter? can he not inter? can we not inter? can you not inter? can they not inter?	can I not be interring? can you not be interring? can he not be interring? can we not be interring? can you not be interring? can they not be interring?
Perfect	V-ing perfect
can I not have interred? can you not have interred? can he not have interred? can we not have interred? can you not have interred? can they not have interred?	can I not have been interring? can you not have been interring? can he not have been interring? can we not have been interring? can you not have been interring? can they not have been interring?