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