English verb conjugation
COULD DIS

Regular verb: dis - dised - dised

Affirmation

Simple form	V-ing form
I could dis you could dis he could dis we could dis you could dis they could dis	I could be dising you could be dising he could be dising we could be dising you could be dising they could be dising
Perfect	V-ing perfect
I could have dised you could have dised he could have dised we could have dised you could have dised they could have dised	I could have been dising you could have been dising he could have been dising we could have been dising you could have been dising they could have been dising

Negation

Simple form	V-ing form
I couldn't dis you couldn't dis he couldn't dis we couldn't dis you couldn't dis they couldn't dis	I couldn't be dising you couldn't be dising he couldn't be dising we couldn't be dising you couldn't be dising they couldn't be dising
Perfect	V-ing perfect
I couldn't have dised you couldn't have dised he couldn't have dised we couldn't have dised you couldn't have dised they couldn't have dised	I couldn't have been dising you couldn't have been dising he couldn't have been dising we couldn't have been dising you couldn't have been dising they couldn't have been dising

Interrogative form

Simple form	V-ing form
could I dis? could you dis? could he dis? could we dis? could you dis? could they dis?	could I be dising? could you be dising? could he be dising? could we be dising? could you be dising? could they be dising?
Perfect	V-ing perfect
could I have dised? could you have dised? could he have dised? could we have dised? could you have dised? could they have dised?	could I have been dising? could you have been dising? could he have been dising? could we have been dising? could you have been dising? could they have been dising?

Interro-negative form

Simple form	V-ing form
couldn't I dis? couldn't you dis? couldn't he dis? couldn't we dis? couldn't you dis? couldn't they dis?	couldn't I be dising? couldn't you be dising? couldn't he be dising? couldn't we be dising? couldn't you be dising? couldn't they be dising?
Perfect	V-ing perfect
couldn't I have dised? couldn't you have dised? couldn't he have dised? couldn't we have dised? couldn't you have dised? couldn't they have dised?	couldn't I have been dising? couldn't you have been dising? couldn't he have been dising? couldn't we have been dising? couldn't you have been dising? couldn't they have been dising?