English verb conjugation
CAN PARBOIL

Regular verb: parboil - parboiled - parboiled

Affirmation

Simple form	V-ing form
I can parboil you can parboil he can parboil we can parboil you can parboil they can parboil	I can be parboiling you can be parboiling he can be parboiling we can be parboiling you can be parboiling they can be parboiling
Perfect	V-ing perfect
I can have parboiled you can have parboiled he can have parboiled we can have parboiled you can have parboiled they can have parboiled	I can have been parboiling you can have been parboiling he can have been parboiling we can have been parboiling you can have been parboiling they can have been parboiling

Negation

Simple form	V-ing form
I can't parboil you can't parboil he can't parboil we can't parboil you can't parboil they can't parboil	I can't be parboiling you can't be parboiling he can't be parboiling we can't be parboiling you can't be parboiling they can't be parboiling
Perfect	V-ing perfect
I can't have parboiled you can't have parboiled he can't have parboiled we can't have parboiled you can't have parboiled they can't have parboiled	I can't have been parboiling you can't have been parboiling he can't have been parboiling we can't have been parboiling you can't have been parboiling they can't have been parboiling

Interrogative form

Simple form	V-ing form
can I parboil? can you parboil? can he parboil? can we parboil? can you parboil? can they parboil?	can I be parboiling? can you be parboiling? can he be parboiling? can we be parboiling? can you be parboiling? can they be parboiling?
Perfect	V-ing perfect
can I have parboiled? can you have parboiled? can he have parboiled? can we have parboiled? can you have parboiled? can they have parboiled?	can I have been parboiling? can you have been parboiling? can he have been parboiling? can we have been parboiling? can you have been parboiling? can they have been parboiling?

Interro-negative form

Simple form	V-ing form
can't I parboil? can't you parboil? can't he parboil? can't we parboil? can't you parboil? can't they parboil?	can't I be parboiling? can't you be parboiling? can't he be parboiling? can't we be parboiling? can't you be parboiling? can't they be parboiling?
Perfect	V-ing perfect
can't I have parboiled? can't you have parboiled? can't he have parboiled? can't we have parboiled? can't you have parboiled? can't they have parboiled?	can't I have been parboiling? can't you have been parboiling? can't he have been parboiling? can't we have been parboiling? can't you have been parboiling? can't they have been parboiling?