English verb conjugation
COULD ISLE ISLE

Regular verb: isle isle - isle isled - isle isled

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form	V-ing form
I could isle isle you could isle isle he could isle isle we could isle isle you could isle isle they could isle isle	I could be isle isling you could be isle isling he could be isle isling we could be isle isling you could be isle isling they could be isle isling
Perfect	V-ing perfect
I could have isle isled you could have isle isled he could have isle isled we could have isle isled you could have isle isled they could have isle isled	I could have been isle isling you could have been isle isling he could have been isle isling we could have been isle isling you could have been isle isling they could have been isle isling

Negation

Simple form	V-ing form
I couldn't isle isle you couldn't isle isle he couldn't isle isle we couldn't isle isle you couldn't isle isle they couldn't isle isle	I couldn't be isle isling you couldn't be isle isling he couldn't be isle isling we couldn't be isle isling you couldn't be isle isling they couldn't be isle isling
Perfect	V-ing perfect
I couldn't have isle isled you couldn't have isle isled he couldn't have isle isled we couldn't have isle isled you couldn't have isle isled they couldn't have isle isled	I couldn't have been isle isling you couldn't have been isle isling he couldn't have been isle isling we couldn't have been isle isling you couldn't have been isle isling they couldn't have been isle isling

Interrogative form

Simple form	V-ing form
could I isle isle? could you isle isle? could he isle isle? could we isle isle? could you isle isle? could they isle isle?	could I be isle isling? could you be isle isling? could he be isle isling? could we be isle isling? could you be isle isling? could they be isle isling?
Perfect	V-ing perfect
could I have isle isled? could you have isle isled? could he have isle isled? could we have isle isled? could you have isle isled? could they have isle isled?	could I have been isle isling? could you have been isle isling? could he have been isle isling? could we have been isle isling? could you have been isle isling? could they have been isle isling?

Interro-negative form

Simple form	V-ing form
couldn't I isle isle? couldn't you isle isle? couldn't he isle isle? couldn't we isle isle? couldn't you isle isle? couldn't they isle isle?	couldn't I be isle isling? couldn't you be isle isling? couldn't he be isle isling? couldn't we be isle isling? couldn't you be isle isling? couldn't they be isle isling?
Perfect	V-ing perfect
couldn't I have isle isled? couldn't you have isle isled? couldn't he have isle isled? couldn't we have isle isled? couldn't you have isle isled? couldn't they have isle isled?	couldn't I have been isle isling? couldn't you have been isle isling? couldn't he have been isle isling? couldn't we have been isle isling? couldn't you have been isle isling? couldn't they have been isle isling?