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