What are the definitions of “sit in on”?
Learn how to use these expressions through these examples
- 1Attend as an observer.
She SAT IN ON the meeting and took notes but said nothing.
What’s the most common meaning of the phrasal verb “sit in on”?
The most common meaning of the phrasal verb sit in on is to attend an event, such as a meeting or class, as an observer without actively participating. This means that the person is present to watch or listen but does not contribute to the discussion or activity.
What are the different verb forms of “sit in on”?
| Root Verb | sit in on |
| Third Person Singular Present | sits in on |
| Present Participle | sitting in on |
| Simple Past | sat in on |
| Past Participle | sat in on |
Example
I want to sit in on the lecture to learn more about the topic.
Example
She sits in on the meetings to take notes.
Example
He is sitting in on the class to see if he wants to enroll.
Example
Yesterday, they sat in on the workshop to observe the instructor's teaching style.
Example
He has sat in on several meetings to gain a better understanding of the project.
What kind of phrasal verb is “sit in on”?
Notes from a Native English Speaker
What is a transitive and intransitive verb? - A transitive verb always has an object after it. (Example: Sam bought a car.) - An intransitive verb never has an object.(Example: She laughed loudly.)
Intransitive verb
“sit in on” is an intransitive phrasal verb because it doesn't require an object to complete its meaning. It forms a complete sentence without an object.
Example
She sat in on the meeting.
Example
He sat in on the class.
Notes from a Native English Speaker
What is a separable and inseparable phrasal verb? - A “separable phrasal verb” can be separated with an object between the verb and particle. - An “inseparable phrasal verb” cannot be separated by an object.
Inseparable
“sit in on” is an inseparable phrasal verb. This means that you can’t place an object between the verb and the particle, otherwise, it changes the meaning of the phrasal verb.
Example
She sat in on the meeting.
Example
He sat in on the class.
What are common phrases and expressions that include the phrasal verb “sit in on”?
Sit-in protest
A form of nonviolent protest where participants occupy a place and refuse to leave, often to express disagreement with a policy or decision.
Example
The students organized a sit-in at the administration building to demand changes to the school's policies.
Good things to know
Does “sit in on” have an informal or formal tone?
Sit in on is a neutral phrasal verb that can be used in both informal and formal settings. It is appropriate for everyday conversations, as well as more formal discussions, such as in academic or professional contexts.
