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See also: である
See also: です
plain copula
be, is

Auxiliary verb
See also: た・1
た after certain verb forms; indicates past or completed action
did, (have) done

Auxiliary verb
See also: た・2
indicates light imperative
please, do

Conjugated forms
Present, Future , です ではない (じゃない), ではありません (じゃありません)
じゃ (ja) is a colloquial contraction of では (de wa)
Past だった, でした では(じゃ) なかった, では(じゃ) ありませんでした
じゃ (ja) is a colloquial contraction of では (de wa)
Te-form, Continuative , でありまして
The words and kanji on this web site come from the amazing dictionary files JMDict, EDICT and KANJIDIC. These files are the property of the Electronic Dictionary Research and Development Group , and are used in conformance with the Group's licence. The example sentences come from the projects Tatoeba and Tanaka Corpus. Kanji search by radicals is based on the Kradfile2 and Kradfile-u files containing radical decomposition of 13108 Japanese characters. Many thanks to all the people involved in those projects!