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