particle
and, with, (quotation)
1. and (connecting nouns)
Connects nouns in a complete list. りんごとみかん (apples and oranges). Unlike や, と implies a complete enumeration.
Which would you like, coffee or tea?
Listing options
I bought apples and bananas.
Listing (complete)
I bought a book and a notebook.
Listing (complete)
I have an older brother and older sister.
Listing (complete)
My father and mother both work.
Listing (complete)
2. with (accompaniment)
Indicates doing something together with someone. 友達(ともだち)()く (go with a friend).
I watched a movie with my friend.
Accompaniment
I went shopping with my mother.
Accompaniment
I live with my family.
Accompaniment (と一緒(いっしょ)に)
I talked with the teacher.
Accompaniment (mutual action)
I take a walk with my dog.
Accompaniment
3. quotation marker
Marks quoted speech or thoughts. 「はい」と()う (say 'yes'), いいと(おも)う (think it's good).
He said, 'I understand.'
Quotation
My name is Yamada. (formal)
Quotation with humble verb
I think it's good.
Quotation (thought)
She said 'goodbye' and left.
Quotation (direct speech)
Do you think it's difficult?
Quotation (thought)
4. if/when (conditional)
Expresses a natural or inevitable consequence. (はる)になると(あたた)かくなる (when spring comes, it gets warm).
If you press this button, the door opens.
Conditional (automatic result)
When spring comes, it gets warm.
Conditional (natural change)
When night comes, it gets dark.
Conditional (natural change)
If you turn right, there's a station.
Conditional (directions)
When you take this medicine, you get sleepy.
Conditional (cause-effect)
5. as (comparison/manner)
Shows how something appears or is named. (おな)じと(おも)う (think it's the same).
It's the same as this.
Comparison
It's different from yesterday.
Comparison
Something different from the plan happened.
Comparison
Let's meet at the same place as last year.
Comparison (same as)
It was the result as I thought.
Comparison (manner)

と has many uses. For listing: と gives a complete list (A and B), while や gives an incomplete list (A and B, etc.). For accompaniment: と implies doing something together, while に can mean toward someone. The conditional と expresses natural/automatic results and cannot be used with requests or commands.

Related Words

See also:
See also: