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