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