English verb conjugation
CAN OVERBOIL

Regular verb: overboil - overboiled - overboiled

Affirmation

Simple form	V-ing form
I can overboil you can overboil he can overboil we can overboil you can overboil they can overboil	I can be overboiling you can be overboiling he can be overboiling we can be overboiling you can be overboiling they can be overboiling
Perfect	V-ing perfect
I can have overboiled you can have overboiled he can have overboiled we can have overboiled you can have overboiled they can have overboiled	I can have been overboiling you can have been overboiling he can have been overboiling we can have been overboiling you can have been overboiling they can have been overboiling

Negation

Simple form	V-ing form
I cannot overboil you cannot overboil he cannot overboil we cannot overboil you cannot overboil they cannot overboil	I cannot be overboiling you cannot be overboiling he cannot be overboiling we cannot be overboiling you cannot be overboiling they cannot be overboiling
Perfect	V-ing perfect
I cannot have overboiled you cannot have overboiled he cannot have overboiled we cannot have overboiled you cannot have overboiled they cannot have overboiled	I cannot have been overboiling you cannot have been overboiling he cannot have been overboiling we cannot have been overboiling you cannot have been overboiling they cannot have been overboiling

Interrogative form

Simple form	V-ing form
can I overboil? can you overboil? can he overboil? can we overboil? can you overboil? can they overboil?	can I be overboiling? can you be overboiling? can he be overboiling? can we be overboiling? can you be overboiling? can they be overboiling?
Perfect	V-ing perfect
can I have overboiled? can you have overboiled? can he have overboiled? can we have overboiled? can you have overboiled? can they have overboiled?	can I have been overboiling? can you have been overboiling? can he have been overboiling? can we have been overboiling? can you have been overboiling? can they have been overboiling?

Interro-negative form

Simple form	V-ing form
can I not overboil? can you not overboil? can he not overboil? can we not overboil? can you not overboil? can they not overboil?	can I not be overboiling? can you not be overboiling? can he not be overboiling? can we not be overboiling? can you not be overboiling? can they not be overboiling?
Perfect	V-ing perfect
can I not have overboiled? can you not have overboiled? can he not have overboiled? can we not have overboiled? can you not have overboiled? can they not have overboiled?	can I not have been overboiling? can you not have been overboiling? can he not have been overboiling? can we not have been overboiling? can you not have been overboiling? can they not have been overboiling?