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 could not metal you could not metal he could not metal we could not metal you could not metal they could not metal	I could not be metalling you could not be metalling he could not be metalling we could not be metalling you could not be metalling they could not be metalling
Perfect	V-ing perfect
I could not have metalled you could not have metalled he could not have metalled we could not have metalled you could not have metalled they could not have metalled	I could not have been metalling you could not have been metalling he could not have been metalling we could not have been metalling you could not have been metalling they could not 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
could I not metal? could you not metal? could he not metal? could we not metal? could you not metal? could they not metal?	could I not be metalling? could you not be metalling? could he not be metalling? could we not be metalling? could you not be metalling? could they not be metalling?
Perfect	V-ing perfect
could I not have metalled? could you not have metalled? could he not have metalled? could we not have metalled? could you not have metalled? could they not have metalled?	could I not have been metalling? could you not have been metalling? could he not have been metalling? could we not have been metalling? could you not have been metalling? could they not have been metalling?