| I | blunder |
|---|---|
| you | blunder |
| he/she/it | blunders |
| we | blunder |
| you | blunder |
| they | blunder |
| I | blundered |
|---|---|
| you | blundered |
| he/she/it | blundered |
| we | blundered |
| you | blundered |
| they | blundered |
| I | have | blundered |
|---|---|---|
| you | have | blundered |
| he/she/it | has | blundered |
| we | have | blundered |
| you | have | blundered |
| they | have | blundered |
| I | had | blundered |
|---|---|---|
| you | had | blundered |
| he/she/it | had | blundered |
| we | had | blundered |
| you | had | blundered |
| they | had | blundered |
单语范例（未经PONS编辑处理）
Move 20 is a blunder for white (it should have been played next to black 19).
en.wikipedia.org Their inexperience causes them to blunder and allows the enemy to close with them in hand-to-hand combat.
en.wikipedia.org The closure check guards against blunders in the operation, and allows residual error to be distributed in the most likely manner among the stations.
en.wikipedia.org He was, in short, the hero of a thousand blunders and one success.
en.wikipedia.org Plums personality is that of a psychiatrist whose intelligence is blundered with his buffoonery.
en.wikipedia.org