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