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