Regular verb: invigilate - invigilated - invigilated
Simple form | V-ing form |
I could invigilate you could invigilate she could invigilate we could invigilate you could invigilate they could invigilate | I could be invigilating you could be invigilating she could be invigilating we could be invigilating you could be invigilating they could be invigilating |
Perfect | V-ing perfect |
I could have invigilated you could have invigilated she could have invigilated we could have invigilated you could have invigilated they could have invigilated | I could have been invigilating you could have been invigilating she could have been invigilating we could have been invigilating you could have been invigilating they could have been invigilating |
Simple form | V-ing form |
I couldn't invigilate you couldn't invigilate she couldn't invigilate we couldn't invigilate you couldn't invigilate they couldn't invigilate | I couldn't be invigilating you couldn't be invigilating she couldn't be invigilating we couldn't be invigilating you couldn't be invigilating they couldn't be invigilating |
Perfect | V-ing perfect |
I couldn't have invigilated you couldn't have invigilated she couldn't have invigilated we couldn't have invigilated you couldn't have invigilated they couldn't have invigilated | I couldn't have been invigilating you couldn't have been invigilating she couldn't have been invigilating we couldn't have been invigilating you couldn't have been invigilating they couldn't have been invigilating |
Simple form | V-ing form |
could I invigilate? could you invigilate? could she invigilate? could we invigilate? could you invigilate? could they invigilate? | could I be invigilating? could you be invigilating? could she be invigilating? could we be invigilating? could you be invigilating? could they be invigilating? |
Perfect | V-ing perfect |
could I have invigilated? could you have invigilated? could she have invigilated? could we have invigilated? could you have invigilated? could they have invigilated? | could I have been invigilating? could you have been invigilating? could she have been invigilating? could we have been invigilating? could you have been invigilating? could they have been invigilating? |
Simple form | V-ing form |
couldn't I invigilate? couldn't you invigilate? couldn't she invigilate? couldn't we invigilate? couldn't you invigilate? couldn't they invigilate? | couldn't I be invigilating? couldn't you be invigilating? couldn't she be invigilating? couldn't we be invigilating? couldn't you be invigilating? couldn't they be invigilating? |
Perfect | V-ing perfect |
couldn't I have invigilated? couldn't you have invigilated? couldn't she have invigilated? couldn't we have invigilated? couldn't you have invigilated? couldn't they have invigilated? | couldn't I have been invigilating? couldn't you have been invigilating? couldn't she have been invigilating? couldn't we have been invigilating? couldn't you have been invigilating? couldn't they have been invigilating? |