English verb conjugation
COULD SUPPORT

Regular verb: support - supported - supported

Affirmation

Simple form	V-ing form
I could support you could support she could support we could support you could support they could support	I could be supporting you could be supporting she could be supporting we could be supporting you could be supporting they could be supporting
Perfect	V-ing perfect
I could have supported you could have supported she could have supported we could have supported you could have supported they could have supported	I could have been supporting you could have been supporting she could have been supporting we could have been supporting you could have been supporting they could have been supporting

Negation

Simple form	V-ing form
I could not support you could not support she could not support we could not support you could not support they could not support	I could not be supporting you could not be supporting she could not be supporting we could not be supporting you could not be supporting they could not be supporting
Perfect	V-ing perfect
I could not have supported you could not have supported she could not have supported we could not have supported you could not have supported they could not have supported	I could not have been supporting you could not have been supporting she could not have been supporting we could not have been supporting you could not have been supporting they could not have been supporting

Interrogative form

Simple form	V-ing form
could I support? could you support? could she support? could we support? could you support? could they support?	could I be supporting? could you be supporting? could she be supporting? could we be supporting? could you be supporting? could they be supporting?
Perfect	V-ing perfect
could I have supported? could you have supported? could she have supported? could we have supported? could you have supported? could they have supported?	could I have been supporting? could you have been supporting? could she have been supporting? could we have been supporting? could you have been supporting? could they have been supporting?

Interro-negative form

Simple form	V-ing form
could I not support? could you not support? could she not support? could we not support? could you not support? could they not support?	could I not be supporting? could you not be supporting? could she not be supporting? could we not be supporting? could you not be supporting? could they not be supporting?
Perfect	V-ing perfect
could I not have supported? could you not have supported? could she not have supported? could we not have supported? could you not have supported? could they not have supported?	could I not have been supporting? could you not have been supporting? could she not have been supporting? could we not have been supporting? could you not have been supporting? could they not have been supporting?