English verb conjugation
COULD JANGLE

Regular verb: jangle - jangled - jangled

Affirmation

Simple form	V-ing form
I could jangle you could jangle she could jangle we could jangle you could jangle they could jangle	I could be jangling you could be jangling she could be jangling we could be jangling you could be jangling they could be jangling
Perfect	V-ing perfect
I could have jangled you could have jangled she could have jangled we could have jangled you could have jangled they could have jangled	I could have been jangling you could have been jangling she could have been jangling we could have been jangling you could have been jangling they could have been jangling

Negation

Simple form	V-ing form
I couldn't jangle you couldn't jangle she couldn't jangle we couldn't jangle you couldn't jangle they couldn't jangle	I couldn't be jangling you couldn't be jangling she couldn't be jangling we couldn't be jangling you couldn't be jangling they couldn't be jangling
Perfect	V-ing perfect
I couldn't have jangled you couldn't have jangled she couldn't have jangled we couldn't have jangled you couldn't have jangled they couldn't have jangled	I couldn't have been jangling you couldn't have been jangling she couldn't have been jangling we couldn't have been jangling you couldn't have been jangling they couldn't have been jangling

Interrogative form

Simple form	V-ing form
could I jangle? could you jangle? could she jangle? could we jangle? could you jangle? could they jangle?	could I be jangling? could you be jangling? could she be jangling? could we be jangling? could you be jangling? could they be jangling?
Perfect	V-ing perfect
could I have jangled? could you have jangled? could she have jangled? could we have jangled? could you have jangled? could they have jangled?	could I have been jangling? could you have been jangling? could she have been jangling? could we have been jangling? could you have been jangling? could they have been jangling?

Interro-negative form

Simple form	V-ing form
couldn't I jangle? couldn't you jangle? couldn't she jangle? couldn't we jangle? couldn't you jangle? couldn't they jangle?	couldn't I be jangling? couldn't you be jangling? couldn't she be jangling? couldn't we be jangling? couldn't you be jangling? couldn't they be jangling?
Perfect	V-ing perfect
couldn't I have jangled? couldn't you have jangled? couldn't she have jangled? couldn't we have jangled? couldn't you have jangled? couldn't they have jangled?	couldn't I have been jangling? couldn't you have been jangling? couldn't she have been jangling? couldn't we have been jangling? couldn't you have been jangling? couldn't they have been jangling?