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