Regular verb: sign - signed - signed
Simple form | V-ing form |
I can sign you can sign she can sign we can sign you can sign they can sign | I can be signing you can be signing she can be signing we can be signing you can be signing they can be signing |
Perfect | V-ing perfect |
I can have signed you can have signed she can have signed we can have signed you can have signed they can have signed | I can have been signing you can have been signing she can have been signing we can have been signing you can have been signing they can have been signing |
Simple form | V-ing form |
I can't sign you can't sign she can't sign we can't sign you can't sign they can't sign | I can't be signing you can't be signing she can't be signing we can't be signing you can't be signing they can't be signing |
Perfect | V-ing perfect |
I can't have signed you can't have signed she can't have signed we can't have signed you can't have signed they can't have signed | I can't have been signing you can't have been signing she can't have been signing we can't have been signing you can't have been signing they can't have been signing |
Simple form | V-ing form |
can I sign? can you sign? can she sign? can we sign? can you sign? can they sign? | can I be signing? can you be signing? can she be signing? can we be signing? can you be signing? can they be signing? |
Perfect | V-ing perfect |
can I have signed? can you have signed? can she have signed? can we have signed? can you have signed? can they have signed? | can I have been signing? can you have been signing? can she have been signing? can we have been signing? can you have been signing? can they have been signing? |
Simple form | V-ing form |
can't I sign? can't you sign? can't she sign? can't we sign? can't you sign? can't they sign? | can't I be signing? can't you be signing? can't she be signing? can't we be signing? can't you be signing? can't they be signing? |
Perfect | V-ing perfect |
can't I have signed? can't you have signed? can't she have signed? can't we have signed? can't you have signed? can't they have signed? | can't I have been signing? can't you have been signing? can't she have been signing? can't we have been signing? can't you have been signing? can't they have been signing? |