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