English verb conjugation
COULD INTERTANGLE

Regular verb: intertangle - intertangled - intertangled

Affirmation

Simple form	V-ing form
I could intertangle you could intertangle she could intertangle we could intertangle you could intertangle they could intertangle	I could be intertangling you could be intertangling she could be intertangling we could be intertangling you could be intertangling they could be intertangling
Perfect	V-ing perfect
I could have intertangled you could have intertangled she could have intertangled we could have intertangled you could have intertangled they could have intertangled	I could have been intertangling you could have been intertangling she could have been intertangling we could have been intertangling you could have been intertangling they could have been intertangling

Negation

Simple form	V-ing form
I couldn't intertangle you couldn't intertangle she couldn't intertangle we couldn't intertangle you couldn't intertangle they couldn't intertangle	I couldn't be intertangling you couldn't be intertangling she couldn't be intertangling we couldn't be intertangling you couldn't be intertangling they couldn't be intertangling
Perfect	V-ing perfect
I couldn't have intertangled you couldn't have intertangled she couldn't have intertangled we couldn't have intertangled you couldn't have intertangled they couldn't have intertangled	I couldn't have been intertangling you couldn't have been intertangling she couldn't have been intertangling we couldn't have been intertangling you couldn't have been intertangling they couldn't have been intertangling

Interrogative form

Simple form	V-ing form
could I intertangle? could you intertangle? could she intertangle? could we intertangle? could you intertangle? could they intertangle?	could I be intertangling? could you be intertangling? could she be intertangling? could we be intertangling? could you be intertangling? could they be intertangling?
Perfect	V-ing perfect
could I have intertangled? could you have intertangled? could she have intertangled? could we have intertangled? could you have intertangled? could they have intertangled?	could I have been intertangling? could you have been intertangling? could she have been intertangling? could we have been intertangling? could you have been intertangling? could they have been intertangling?

Interro-negative form

Simple form	V-ing form
couldn't I intertangle? couldn't you intertangle? couldn't she intertangle? couldn't we intertangle? couldn't you intertangle? couldn't they intertangle?	couldn't I be intertangling? couldn't you be intertangling? couldn't she be intertangling? couldn't we be intertangling? couldn't you be intertangling? couldn't they be intertangling?
Perfect	V-ing perfect
couldn't I have intertangled? couldn't you have intertangled? couldn't she have intertangled? couldn't we have intertangled? couldn't you have intertangled? couldn't they have intertangled?	couldn't I have been intertangling? couldn't you have been intertangling? couldn't she have been intertangling? couldn't we have been intertangling? couldn't you have been intertangling? couldn't they have been intertangling?