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