I could subculture you could subculture she could subculture we could subculture you could subculture they could subculture
Forme en V-ing
I could be subculturing you could be subculturing she could be subculturing we could be subculturing you could be subculturing they could be subculturing
Perfect
I could have subcultured you could have subcultured she could have subcultured we could have subcultured you could have subcultured they could have subcultured
Perfect en V-ing
I could have been subculturing you could have been subculturing she could have been subculturing we could have been subculturing you could have been subculturing they could have been subculturing
Négation
Forme simple
I couldn't subculture you couldn't subculture she couldn't subculture we couldn't subculture you couldn't subculture they couldn't subculture
Forme en V-ing
I couldn't be subculturing you couldn't be subculturing she couldn't be subculturing we couldn't be subculturing you couldn't be subculturing they couldn't be subculturing
Perfect
I couldn't have subcultured you couldn't have subcultured she couldn't have subcultured we couldn't have subcultured you couldn't have subcultured they couldn't have subcultured
Perfect en V-ing
I couldn't have been subculturing you couldn't have been subculturing she couldn't have been subculturing we couldn't have been subculturing you couldn't have been subculturing they couldn't have been subculturing
Forme interrogative
Forme simple
could I subculture? could you subculture? could she subculture? could we subculture? could you subculture? could they subculture?
Forme en V-ing
could I be subculturing? could you be subculturing? could she be subculturing? could we be subculturing? could you be subculturing? could they be subculturing?
Perfect
could I have subcultured? could you have subcultured? could she have subcultured? could we have subcultured? could you have subcultured? could they have subcultured?
Perfect en V-ing
could I have been subculturing? could you have been subculturing? could she have been subculturing? could we have been subculturing? could you have been subculturing? could they have been subculturing?
Forme interro-négative
Forme simple
couldn't I subculture? couldn't you subculture? couldn't she subculture? couldn't we subculture? couldn't you subculture? couldn't they subculture?
Forme en V-ing
couldn't I be subculturing? couldn't you be subculturing? couldn't she be subculturing? couldn't we be subculturing? couldn't you be subculturing? couldn't they be subculturing?
Perfect
couldn't I have subcultured? couldn't you have subcultured? couldn't she have subcultured? couldn't we have subcultured? couldn't you have subcultured? couldn't they have subcultured?
Perfect en V-ing
couldn't I have been subculturing? couldn't you have been subculturing? couldn't she have been subculturing? couldn't we have been subculturing? couldn't you have been subculturing? couldn't they have been subculturing?