count in
phr. v..phr. v.. to include someone in an activity or a plan.
phr. v.. to include a person in a group activity or a future arrangement; often used in the imperative to signal participation.
If you are going to the cinema, count me in.
When the team started planning the weekend hiking trip, Sarah asked them to count her in.
Should the committee decide to pursue the environmental initiative, you can certainly count our department in as a primary supporter.
usually used with a person (me, him, her, us) as the object.
contrast with 'count out' (to exclude); this is a great phrase for teaching social invitations and group dynamics.
Count in me for the party.Count me in for the party.when the object is a pronoun like 'me', it must come between the verb and the particle.