to do, to carry out, to perform
Noun +
The verb
Action Nouns
Used with nouns that describe an activity, sport, or academic subject to indicate that the subject is performing that action.
勉強を
I will study.
テニスを
I play tennis.
When used with nouns that represent an action (like 勉強 or 掃除), the particle を can often be omitted in informal speech, though it is technically present.
Accessories +
Wearing Accessories
Used when an individual is wearing or putting on an accessory.
ネクタイを
To wear a tie.
時計を
To wear a watch.
This usage is specific to items that are 'attached' to the body rather than worn as clothing. For example, you use
Role + を +
Playing a Role
Used to indicate that someone is fulfilling a specific role or position.
リーダーを
To act as the leader.
親の役割を
To play the role of a parent.
This often implies a temporary role or a specific function being served in a particular context.