English verb conjugation
COULD STABILISE

Regular verb: stabilise - stabilised - stabilised

Affirmation

Simple form	V-ing form
I could stabilise you could stabilise he could stabilise we could stabilise you could stabilise they could stabilise	I could be stabilising you could be stabilising he could be stabilising we could be stabilising you could be stabilising they could be stabilising
Perfect	V-ing perfect
I could have stabilised you could have stabilised he could have stabilised we could have stabilised you could have stabilised they could have stabilised	I could have been stabilising you could have been stabilising he could have been stabilising we could have been stabilising you could have been stabilising they could have been stabilising

Negation

Simple form	V-ing form
I couldn't stabilise you couldn't stabilise he couldn't stabilise we couldn't stabilise you couldn't stabilise they couldn't stabilise	I couldn't be stabilising you couldn't be stabilising he couldn't be stabilising we couldn't be stabilising you couldn't be stabilising they couldn't be stabilising
Perfect	V-ing perfect
I couldn't have stabilised you couldn't have stabilised he couldn't have stabilised we couldn't have stabilised you couldn't have stabilised they couldn't have stabilised	I couldn't have been stabilising you couldn't have been stabilising he couldn't have been stabilising we couldn't have been stabilising you couldn't have been stabilising they couldn't have been stabilising

Interrogative form

Simple form	V-ing form
could I stabilise? could you stabilise? could he stabilise? could we stabilise? could you stabilise? could they stabilise?	could I be stabilising? could you be stabilising? could he be stabilising? could we be stabilising? could you be stabilising? could they be stabilising?
Perfect	V-ing perfect
could I have stabilised? could you have stabilised? could he have stabilised? could we have stabilised? could you have stabilised? could they have stabilised?	could I have been stabilising? could you have been stabilising? could he have been stabilising? could we have been stabilising? could you have been stabilising? could they have been stabilising?

Interro-negative form

Simple form	V-ing form
couldn't I stabilise? couldn't you stabilise? couldn't he stabilise? couldn't we stabilise? couldn't you stabilise? couldn't they stabilise?	couldn't I be stabilising? couldn't you be stabilising? couldn't he be stabilising? couldn't we be stabilising? couldn't you be stabilising? couldn't they be stabilising?
Perfect	V-ing perfect
couldn't I have stabilised? couldn't you have stabilised? couldn't he have stabilised? couldn't we have stabilised? couldn't you have stabilised? couldn't they have stabilised?	couldn't I have been stabilising? couldn't you have been stabilising? couldn't he have been stabilising? couldn't we have been stabilising? couldn't you have been stabilising? couldn't they have been stabilising?