Structure
Noun + だった
[な]Adjective + だった
Details
Part of Speech
Auxiliary Verb
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Standard
About だった・でした
In order to say that something 'was' a certain way in Japanese, you will need to use だった (casual) or でした (polite) attached to the end of a noun or な-Adjective. This is simply a combination of two auxiliary verbs, だ (or です when polite) with た. For だった, we will need to add った to the base form of だ. For です, す will change to し before adding た.
Caution
The past form of い-Adjectives cannot be linked with だった or でした, as they have their own set of conjugation rules.
Synonyms
Examples
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綺麗だった。
It was beautiful.
トムだった。
It was Tom.
それは、昨日でした。
That was yesterday.
猫が大好きだった。
I really liked cats. (Cats were loved by me)
大変だった。
It was terrible.
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Under Nouns and Adjectives
Fluentu
Adjectives Past & Past Negatives
Japanese Ammo
Offline
みんなの日本語 I
Page 128 [CH 20]
Tae Kim's Japanese Grammar Guide
Page 32
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