English verb conjugation
COULD DIAZOTISE

Regular verb: diazotise - diazotised - diazotised

Affirmation

Simple form	V-ing form
I could diazotise you could diazotise he could diazotise we could diazotise you could diazotise they could diazotise	I could be diazotising you could be diazotising he could be diazotising we could be diazotising you could be diazotising they could be diazotising
Perfect	V-ing perfect
I could have diazotised you could have diazotised he could have diazotised we could have diazotised you could have diazotised they could have diazotised	I could have been diazotising you could have been diazotising he could have been diazotising we could have been diazotising you could have been diazotising they could have been diazotising

Negation

Simple form	V-ing form
I couldn't diazotise you couldn't diazotise he couldn't diazotise we couldn't diazotise you couldn't diazotise they couldn't diazotise	I couldn't be diazotising you couldn't be diazotising he couldn't be diazotising we couldn't be diazotising you couldn't be diazotising they couldn't be diazotising
Perfect	V-ing perfect
I couldn't have diazotised you couldn't have diazotised he couldn't have diazotised we couldn't have diazotised you couldn't have diazotised they couldn't have diazotised	I couldn't have been diazotising you couldn't have been diazotising he couldn't have been diazotising we couldn't have been diazotising you couldn't have been diazotising they couldn't have been diazotising

Interrogative form

Simple form	V-ing form
could I diazotise? could you diazotise? could he diazotise? could we diazotise? could you diazotise? could they diazotise?	could I be diazotising? could you be diazotising? could he be diazotising? could we be diazotising? could you be diazotising? could they be diazotising?
Perfect	V-ing perfect
could I have diazotised? could you have diazotised? could he have diazotised? could we have diazotised? could you have diazotised? could they have diazotised?	could I have been diazotising? could you have been diazotising? could he have been diazotising? could we have been diazotising? could you have been diazotising? could they have been diazotising?

Interro-negative form

Simple form	V-ing form
couldn't I diazotise? couldn't you diazotise? couldn't he diazotise? couldn't we diazotise? couldn't you diazotise? couldn't they diazotise?	couldn't I be diazotising? couldn't you be diazotising? couldn't he be diazotising? couldn't we be diazotising? couldn't you be diazotising? couldn't they be diazotising?
Perfect	V-ing perfect
couldn't I have diazotised? couldn't you have diazotised? couldn't he have diazotised? couldn't we have diazotised? couldn't you have diazotised? couldn't they have diazotised?	couldn't I have been diazotising? couldn't you have been diazotising? couldn't he have been diazotising? couldn't we have been diazotising? couldn't you have been diazotising? couldn't they have been diazotising?