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 couldn't promulgate you couldn't promulgate he couldn't promulgate we couldn't promulgate you couldn't promulgate they couldn't promulgate
V-ing form
I couldn't be promulgating you couldn't be promulgating he couldn't be promulgating we couldn't be promulgating you couldn't be promulgating they couldn't be promulgating
Perfect
I couldn't have promulgated you couldn't have promulgated he couldn't have promulgated we couldn't have promulgated you couldn't have promulgated they couldn't have promulgated
V-ing perfect
I couldn't have been promulgating you couldn't have been promulgating he couldn't have been promulgating we couldn't have been promulgating you couldn't have been promulgating they couldn't 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
couldn't I promulgate? couldn't you promulgate? couldn't he promulgate? couldn't we promulgate? couldn't you promulgate? couldn't they promulgate?
V-ing form
couldn't I be promulgating? couldn't you be promulgating? couldn't he be promulgating? couldn't we be promulgating? couldn't you be promulgating? couldn't they be promulgating?
Perfect
couldn't I have promulgated? couldn't you have promulgated? couldn't he have promulgated? couldn't we have promulgated? couldn't you have promulgated? couldn't they have promulgated?
V-ing perfect
couldn't I have been promulgating? couldn't you have been promulgating? couldn't he have been promulgating? couldn't we have been promulgating? couldn't you have been promulgating? couldn't they have been promulgating?