Regular verb: erase - erased - erased
Simple form | V-ing form |
I could erase you could erase he could erase we could erase you could erase they could erase | I could be erasing you could be erasing he could be erasing we could be erasing you could be erasing they could be erasing |
Perfect | V-ing perfect |
I could have erased you could have erased he could have erased we could have erased you could have erased they could have erased | I could have been erasing you could have been erasing he could have been erasing we could have been erasing you could have been erasing they could have been erasing |
Simple form | V-ing form |
I couldn't erase you couldn't erase he couldn't erase we couldn't erase you couldn't erase they couldn't erase | I couldn't be erasing you couldn't be erasing he couldn't be erasing we couldn't be erasing you couldn't be erasing they couldn't be erasing |
Perfect | V-ing perfect |
I couldn't have erased you couldn't have erased he couldn't have erased we couldn't have erased you couldn't have erased they couldn't have erased | I couldn't have been erasing you couldn't have been erasing he couldn't have been erasing we couldn't have been erasing you couldn't have been erasing they couldn't have been erasing |
Simple form | V-ing form |
could I erase? could you erase? could he erase? could we erase? could you erase? could they erase? | could I be erasing? could you be erasing? could he be erasing? could we be erasing? could you be erasing? could they be erasing? |
Perfect | V-ing perfect |
could I have erased? could you have erased? could he have erased? could we have erased? could you have erased? could they have erased? | could I have been erasing? could you have been erasing? could he have been erasing? could we have been erasing? could you have been erasing? could they have been erasing? |
Simple form | V-ing form |
couldn't I erase? couldn't you erase? couldn't he erase? couldn't we erase? couldn't you erase? couldn't they erase? | couldn't I be erasing? couldn't you be erasing? couldn't he be erasing? couldn't we be erasing? couldn't you be erasing? couldn't they be erasing? |
Perfect | V-ing perfect |
couldn't I have erased? couldn't you have erased? couldn't he have erased? couldn't we have erased? couldn't you have erased? couldn't they have erased? | couldn't I have been erasing? couldn't you have been erasing? couldn't he have been erasing? couldn't we have been erasing? couldn't you have been erasing? couldn't they have been erasing? |