I could adorn you could adorn he could adorn we could adorn you could adorn they could adorn
V-ing form
I could be adorning you could be adorning he could be adorning we could be adorning you could be adorning they could be adorning
Perfect
I could have adorned you could have adorned he could have adorned we could have adorned you could have adorned they could have adorned
V-ing perfect
I could have been adorning you could have been adorning he could have been adorning we could have been adorning you could have been adorning they could have been adorning
Negation
Simple form
I couldn't adorn you couldn't adorn he couldn't adorn we couldn't adorn you couldn't adorn they couldn't adorn
V-ing form
I couldn't be adorning you couldn't be adorning he couldn't be adorning we couldn't be adorning you couldn't be adorning they couldn't be adorning
Perfect
I couldn't have adorned you couldn't have adorned he couldn't have adorned we couldn't have adorned you couldn't have adorned they couldn't have adorned
V-ing perfect
I couldn't have been adorning you couldn't have been adorning he couldn't have been adorning we couldn't have been adorning you couldn't have been adorning they couldn't have been adorning
Interrogative form
Simple form
could I adorn? could you adorn? could he adorn? could we adorn? could you adorn? could they adorn?
V-ing form
could I be adorning? could you be adorning? could he be adorning? could we be adorning? could you be adorning? could they be adorning?
Perfect
could I have adorned? could you have adorned? could he have adorned? could we have adorned? could you have adorned? could they have adorned?
V-ing perfect
could I have been adorning? could you have been adorning? could he have been adorning? could we have been adorning? could you have been adorning? could they have been adorning?
Interro-negative form
Simple form
couldn't I adorn? couldn't you adorn? couldn't he adorn? couldn't we adorn? couldn't you adorn? couldn't they adorn?
V-ing form
couldn't I be adorning? couldn't you be adorning? couldn't he be adorning? couldn't we be adorning? couldn't you be adorning? couldn't they be adorning?
Perfect
couldn't I have adorned? couldn't you have adorned? couldn't he have adorned? couldn't we have adorned? couldn't you have adorned? couldn't they have adorned?
V-ing perfect
couldn't I have been adorning? couldn't you have been adorning? couldn't he have been adorning? couldn't we have been adorning? couldn't you have been adorning? couldn't they have been adorning?