I could promulgate you could promulgate he could promulgate we could promulgate you could promulgate they could promulgate
V-ing form
I could be promulgating you could be promulgating he could be promulgating we could be promulgating you could be promulgating they could be promulgating
Perfect
I could have promulgated you could have promulgated he could have promulgated we could have promulgated you could have promulgated they could have promulgated
V-ing perfect
I could have been promulgating you could have been promulgating he could have been promulgating we could have been promulgating you could have been promulgating they could have been promulgating
Negation
Simple form
I could not promulgate you could not promulgate he could not promulgate we could not promulgate you could not promulgate they could not promulgate
V-ing form
I could not be promulgating you could not be promulgating he could not be promulgating we could not be promulgating you could not be promulgating they could not be promulgating
Perfect
I could not have promulgated you could not have promulgated he could not have promulgated we could not have promulgated you could not have promulgated they could not have promulgated
V-ing perfect
I could not have been promulgating you could not have been promulgating he could not have been promulgating we could not have been promulgating you could not have been promulgating they could not have been promulgating
Interrogative form
Simple form
could I promulgate? could you promulgate? could he promulgate? could we promulgate? could you promulgate? could they promulgate?
V-ing form
could I be promulgating? could you be promulgating? could he be promulgating? could we be promulgating? could you be promulgating? could they be promulgating?
Perfect
could I have promulgated? could you have promulgated? could he have promulgated? could we have promulgated? could you have promulgated? could they have promulgated?
V-ing perfect
could I have been promulgating? could you have been promulgating? could he have been promulgating? could we have been promulgating? could you have been promulgating? could they have been promulgating?
Interro-negative form
Simple form
could I not promulgate? could you not promulgate? could he not promulgate? could we not promulgate? could you not promulgate? could they not promulgate?
V-ing form
could I not be promulgating? could you not be promulgating? could he not be promulgating? could we not be promulgating? could you not be promulgating? could they not be promulgating?
Perfect
could I not have promulgated? could you not have promulgated? could he not have promulgated? could we not have promulgated? could you not have promulgated? could they not have promulgated?
V-ing perfect
could I not have been promulgating? could you not have been promulgating? could he not have been promulgating? could we not have been promulgating? could you not have been promulgating? could they not have been promulgating?