From Middle High German būwen, from Old High German būan, from Proto-West Germanic *būan, from Proto-Germanic *būaną, from Proto-Indo-European *bʰúHt, the athematic root aorist of the root *bʰuH-.
bauen (weak, third-person singular present baut, past tense baute, past participle gebaut, auxiliary haben)
| infinitive | bauen | ||||
|---|---|---|---|---|---|
| present participle | bauend | ||||
| past participle | gebaut | ||||
| auxiliary | haben | ||||
| indicative | subjunctive | ||||
| singular | plural | singular | plural | ||
| present | ich baue | wir bauen | i | ich baue | wir bauen |
| du baust | ihr baut | du bauest | ihr bauet | ||
| er baut | sie bauen | er baue | sie bauen | ||
| preterite | ich baute | wir bauten | ii | ich baute1 | wir bauten1 |
| du bautest | ihr bautet | du bautest1 | ihr bautet1 | ||
| er baute | sie bauten | er baute1 | sie bauten1 | ||
| imperative | bau (du) baue (du) |
baut (ihr) | |||
1Rare except in very formal contexts; alternative in würde normally preferred.
From Middle High German būwen, from Old High German būan.
bauen (third-person singular present baut, past participle gebaut, auxiliary verb hunn)
| Regular | ||
|---|---|---|
| infinitive | bauen | |
| participle | gebaut | |
| auxiliary | hunn | |
| present indicative |
imperative | |
| 1st singular | bauen | — |
| 2nd singular | baus | bau |
| 3rd singular | baut | — |
| 1st plural | bauen | — |
| 2nd plural | baut | baut |
| 3rd plural | bauen | — |
| (n) or (nn) indicates the Eifeler Regel. | ||