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