English verb conjugation
CAN SUPPORT

Regular verb: support - supported - supported

Affirmation

Simple form	V-ing form
I can support you can support he can support we can support you can support they can support	I can be supporting you can be supporting he 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 he 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 he 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 cannot support you cannot support he cannot support we cannot support you cannot support they cannot support	I cannot be supporting you cannot be supporting he cannot be supporting we cannot be supporting you cannot be supporting they cannot be supporting
Perfect	V-ing perfect
I cannot have supported you cannot have supported he cannot have supported we cannot have supported you cannot have supported they cannot have supported	I cannot have been supporting you cannot have been supporting he cannot have been supporting we cannot have been supporting you cannot have been supporting they cannot have been supporting

Interrogative form

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