English verb conjugation
CAN SUPPORT

Regular verb: support - supported - supported

Affirmation

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

Negation

Simple form	V-ing form
I can't support you can't support she can't support we can't support you can't support they can't support	I can't be supporting you can't be supporting she can't be supporting we can't be supporting you can't be supporting they can't be supporting
Perfect	V-ing perfect
I can't have supported you can't have supported she can't have supported we can't have supported you can't have supported they can't have supported	I can't have been supporting you can't have been supporting she can't have been supporting we can't have been supporting you can't have been supporting they can't have been supporting

Interrogative form

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

Interro-negative form

Simple form	V-ing form
can't I support? can't you support? can't she support? can't we support? can't you support? can't they support?	can't I be supporting? can't you be supporting? can't she be supporting? can't we be supporting? can't you be supporting? can't they be supporting?
Perfect	V-ing perfect
can't I have supported? can't you have supported? can't she have supported? can't we have supported? can't you have supported? can't they have supported?	can't I have been supporting? can't you have been supporting? can't she have been supporting? can't we have been supporting? can't you have been supporting? can't they have been supporting?