English verb conjugation
COULD WHANG

Regular verb: whang - whanged - whanged

Affirmation

Simple form	V-ing form
I could whang you could whang he could whang we could whang you could whang they could whang	I could be whanging you could be whanging he could be whanging we could be whanging you could be whanging they could be whanging
Perfect	V-ing perfect
I could have whanged you could have whanged he could have whanged we could have whanged you could have whanged they could have whanged	I could have been whanging you could have been whanging he could have been whanging we could have been whanging you could have been whanging they could have been whanging

Negation

Simple form	V-ing form
I couldn't whang you couldn't whang he couldn't whang we couldn't whang you couldn't whang they couldn't whang	I couldn't be whanging you couldn't be whanging he couldn't be whanging we couldn't be whanging you couldn't be whanging they couldn't be whanging
Perfect	V-ing perfect
I couldn't have whanged you couldn't have whanged he couldn't have whanged we couldn't have whanged you couldn't have whanged they couldn't have whanged	I couldn't have been whanging you couldn't have been whanging he couldn't have been whanging we couldn't have been whanging you couldn't have been whanging they couldn't have been whanging

Interrogative form

Simple form	V-ing form
could I whang? could you whang? could he whang? could we whang? could you whang? could they whang?	could I be whanging? could you be whanging? could he be whanging? could we be whanging? could you be whanging? could they be whanging?
Perfect	V-ing perfect
could I have whanged? could you have whanged? could he have whanged? could we have whanged? could you have whanged? could they have whanged?	could I have been whanging? could you have been whanging? could he have been whanging? could we have been whanging? could you have been whanging? could they have been whanging?

Interro-negative form

Simple form	V-ing form
couldn't I whang? couldn't you whang? couldn't he whang? couldn't we whang? couldn't you whang? couldn't they whang?	couldn't I be whanging? couldn't you be whanging? couldn't he be whanging? couldn't we be whanging? couldn't you be whanging? couldn't they be whanging?
Perfect	V-ing perfect
couldn't I have whanged? couldn't you have whanged? couldn't he have whanged? couldn't we have whanged? couldn't you have whanged? couldn't they have whanged?	couldn't I have been whanging? couldn't you have been whanging? couldn't he have been whanging? couldn't we have been whanging? couldn't you have been whanging? couldn't they have been whanging?