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