Irregular verb: cost - cost - cost
Simple form | V-ing form |
I could cost you could cost he could cost we could cost you could cost they could cost | I could be costing you could be costing he could be costing we could be costing you could be costing they could be costing |
Perfect | V-ing perfect |
I could have cost you could have cost he could have cost we could have cost you could have cost they could have cost | I could have been costing you could have been costing he could have been costing we could have been costing you could have been costing they could have been costing |
Simple form | V-ing form |
I couldn't cost you couldn't cost he couldn't cost we couldn't cost you couldn't cost they couldn't cost | I couldn't be costing you couldn't be costing he couldn't be costing we couldn't be costing you couldn't be costing they couldn't be costing |
Perfect | V-ing perfect |
I couldn't have cost you couldn't have cost he couldn't have cost we couldn't have cost you couldn't have cost they couldn't have cost | I couldn't have been costing you couldn't have been costing he couldn't have been costing we couldn't have been costing you couldn't have been costing they couldn't have been costing |
Simple form | V-ing form |
could I cost? could you cost? could he cost? could we cost? could you cost? could they cost? | could I be costing? could you be costing? could he be costing? could we be costing? could you be costing? could they be costing? |
Perfect | V-ing perfect |
could I have cost? could you have cost? could he have cost? could we have cost? could you have cost? could they have cost? | could I have been costing? could you have been costing? could he have been costing? could we have been costing? could you have been costing? could they have been costing? |
Simple form | V-ing form |
couldn't I cost? couldn't you cost? couldn't he cost? couldn't we cost? couldn't you cost? couldn't they cost? | couldn't I be costing? couldn't you be costing? couldn't he be costing? couldn't we be costing? couldn't you be costing? couldn't they be costing? |
Perfect | V-ing perfect |
couldn't I have cost? couldn't you have cost? couldn't he have cost? couldn't we have cost? couldn't you have cost? couldn't they have cost? | couldn't I have been costing? couldn't you have been costing? couldn't he have been costing? couldn't we have been costing? couldn't you have been costing? couldn't they have been costing? |