English verb conjugation
CAN OIL

Regular verb: oil - oiled - oiled

Affirmation

Simple form	V-ing form
I can oil you can oil he can oil we can oil you can oil they can oil	I can be oiling you can be oiling he can be oiling we can be oiling you can be oiling they can be oiling
Perfect	V-ing perfect
I can have oiled you can have oiled he can have oiled we can have oiled you can have oiled they can have oiled	I can have been oiling you can have been oiling he can have been oiling we can have been oiling you can have been oiling they can have been oiling

Negation

Simple form	V-ing form
I can't oil you can't oil he can't oil we can't oil you can't oil they can't oil	I can't be oiling you can't be oiling he can't be oiling we can't be oiling you can't be oiling they can't be oiling
Perfect	V-ing perfect
I can't have oiled you can't have oiled he can't have oiled we can't have oiled you can't have oiled they can't have oiled	I can't have been oiling you can't have been oiling he can't have been oiling we can't have been oiling you can't have been oiling they can't have been oiling

Interrogative form

Simple form	V-ing form
can I oil? can you oil? can he oil? can we oil? can you oil? can they oil?	can I be oiling? can you be oiling? can he be oiling? can we be oiling? can you be oiling? can they be oiling?
Perfect	V-ing perfect
can I have oiled? can you have oiled? can he have oiled? can we have oiled? can you have oiled? can they have oiled?	can I have been oiling? can you have been oiling? can he have been oiling? can we have been oiling? can you have been oiling? can they have been oiling?

Interro-negative form

Simple form	V-ing form
can't I oil? can't you oil? can't he oil? can't we oil? can't you oil? can't they oil?	can't I be oiling? can't you be oiling? can't he be oiling? can't we be oiling? can't you be oiling? can't they be oiling?
Perfect	V-ing perfect
can't I have oiled? can't you have oiled? can't he have oiled? can't we have oiled? can't you have oiled? can't they have oiled?	can't I have been oiling? can't you have been oiling? can't he have been oiling? can't we have been oiling? can't you have been oiling? can't they have been oiling?