sit in on (English, verb)
expansion: sit in on (third-person singular simple present sits in on, present participle sitting in on, simple past and past participle sat in on)
Senses:
glosses: To attend a private meeting or class without participating.
Forms:
form: sits in on
tags: present
singular
third-person
form: sitting in on
tags: participle
present
form: sat in on
tags: participle
past
form: sat in on
tags: past