improve upon (English, verb)
expansion: improve upon (third-person singular simple present improves upon, present participle improving upon, simple past and past participle improved upon)
Senses:
glosses: Alternative form of improve on.
tags: alt-of
alternative
Forms:
form: improves upon
tags: present
singular
third-person
form: improving upon
tags: participle
present
form: improved upon
tags: participle
past
form: improved upon
tags: past