| I | testify |
|---|---|
| you | testify |
| he/she/it | testifies |
| we | testify |
| you | testify |
| they | testify |
| I | testified |
|---|---|
| you | testified |
| he/she/it | testified |
| we | testified |
| you | testified |
| they | testified |
| I | have | testified |
|---|---|---|
| you | have | testified |
| he/she/it | has | testified |
| we | have | testified |
| you | have | testified |
| they | have | testified |
| I | had | testified |
|---|---|---|
| you | had | testified |
| he/she/it | had | testified |
| we | had | testified |
| you | had | testified |
| they | had | testified |
单语范例（未经PONS编辑处理）
They testify to the importance of the site as a trading port over the centuries.
en.wikipedia.org The video features the band in a raucous courtroom filled with spectators and tabloid reporters, testifying by singing the song into the court's witness microphones.
en.wikipedia.org Later, she testified he got violently angry when she talked about getting a divorce.
en.wikipedia.org Two witnesses of good character had to testify in court for the case to be even considered by the judges.
en.wikipedia.org He brags that nobody will dare testify against him.
en.wikipedia.org