English verb conjugation
CAN DESCRIBE

Regular verb: describe - described - described

Affirmation

Simple form	V-ing form
I can describe you can describe he can describe we can describe you can describe they can describe	I can be describing you can be describing he can be describing we can be describing you can be describing they can be describing
Perfect	V-ing perfect
I can have described you can have described he can have described we can have described you can have described they can have described	I can have been describing you can have been describing he can have been describing we can have been describing you can have been describing they can have been describing

Negation

Simple form	V-ing form
I can't describe you can't describe he can't describe we can't describe you can't describe they can't describe	I can't be describing you can't be describing he can't be describing we can't be describing you can't be describing they can't be describing
Perfect	V-ing perfect
I can't have described you can't have described he can't have described we can't have described you can't have described they can't have described	I can't have been describing you can't have been describing he can't have been describing we can't have been describing you can't have been describing they can't have been describing

Interrogative form

Simple form	V-ing form
can I describe? can you describe? can he describe? can we describe? can you describe? can they describe?	can I be describing? can you be describing? can he be describing? can we be describing? can you be describing? can they be describing?
Perfect	V-ing perfect
can I have described? can you have described? can he have described? can we have described? can you have described? can they have described?	can I have been describing? can you have been describing? can he have been describing? can we have been describing? can you have been describing? can they have been describing?

Interro-negative form

Simple form	V-ing form
can't I describe? can't you describe? can't he describe? can't we describe? can't you describe? can't they describe?	can't I be describing? can't you be describing? can't he be describing? can't we be describing? can't you be describing? can't they be describing?
Perfect	V-ing perfect
can't I have described? can't you have described? can't he have described? can't we have described? can't you have described? can't they have described?	can't I have been describing? can't you have been describing? can't he have been describing? can't we have been describing? can't you have been describing? can't they have been describing?