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