Verbo regular: diphthongise - diphthongised - diphthongised
Afirmação
Forma simple
I could diphthongise you could diphthongise he could diphthongise we could diphthongise you could diphthongise they could diphthongise
Forma com V-ing
I could be diphthongising you could be diphthongising he could be diphthongising we could be diphthongising you could be diphthongising they could be diphthongising
Perfeito
I could have diphthongised you could have diphthongised he could have diphthongised we could have diphthongised you could have diphthongised they could have diphthongised
Perfeito com V-ing
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
Negação
Forma simple
I couldn't diphthongise you couldn't diphthongise he couldn't diphthongise we couldn't diphthongise you couldn't diphthongise they couldn't diphthongise
Forma com V-ing
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
Perfeito
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
Perfeito com V-ing
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
Forma interrogativa
Forma simple
could I diphthongise? could you diphthongise? could he diphthongise? could we diphthongise? could you diphthongise? could they diphthongise?
Forma com V-ing
could I be diphthongising? could you be diphthongising? could he be diphthongising? could we be diphthongising? could you be diphthongising? could they be diphthongising?
Perfeito
could I have diphthongised? could you have diphthongised? could he have diphthongised? could we have diphthongised? could you have diphthongised? could they have diphthongised?
Perfeito com V-ing
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?
Forma interro-Negação
Forma simple
couldn't I diphthongise? couldn't you diphthongise? couldn't he diphthongise? couldn't we diphthongise? couldn't you diphthongise? couldn't they diphthongise?
Forma com V-ing
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?
Perfeito
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?
Perfeito com V-ing
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?