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