English verb conjugation
COULD METAL

Regular verb: metal - metalled - metalled

Affirmation

Simple form	V-ing form
I could metal you could metal he could metal we could metal you could metal they could metal	I could be metalling you could be metalling he could be metalling we could be metalling you could be metalling they could be metalling
Perfect	V-ing perfect
I could have metalled you could have metalled he could have metalled we could have metalled you could have metalled they could have metalled	I could have been metalling you could have been metalling he could have been metalling we could have been metalling you could have been metalling they could have been metalling

Negation

Simple form	V-ing form
I couldn't metal you couldn't metal he couldn't metal we couldn't metal you couldn't metal they couldn't metal	I couldn't be metalling you couldn't be metalling he couldn't be metalling we couldn't be metalling you couldn't be metalling they couldn't be metalling
Perfect	V-ing perfect
I couldn't have metalled you couldn't have metalled he couldn't have metalled we couldn't have metalled you couldn't have metalled they couldn't have metalled	I couldn't have been metalling you couldn't have been metalling he couldn't have been metalling we couldn't have been metalling you couldn't have been metalling they couldn't have been metalling

Interrogative form

Simple form	V-ing form
could I metal? could you metal? could he metal? could we metal? could you metal? could they metal?	could I be metalling? could you be metalling? could he be metalling? could we be metalling? could you be metalling? could they be metalling?
Perfect	V-ing perfect
could I have metalled? could you have metalled? could he have metalled? could we have metalled? could you have metalled? could they have metalled?	could I have been metalling? could you have been metalling? could he have been metalling? could we have been metalling? could you have been metalling? could they have been metalling?

Interro-negative form

Simple form	V-ing form
couldn't I metal? couldn't you metal? couldn't he metal? couldn't we metal? couldn't you metal? couldn't they metal?	couldn't I be metalling? couldn't you be metalling? couldn't he be metalling? couldn't we be metalling? couldn't you be metalling? couldn't they be metalling?
Perfect	V-ing perfect
couldn't I have metalled? couldn't you have metalled? couldn't he have metalled? couldn't we have metalled? couldn't you have metalled? couldn't they have metalled?	couldn't I have been metalling? couldn't you have been metalling? couldn't he have been metalling? couldn't we have been metalling? couldn't you have been metalling? couldn't they have been metalling?