II. tune [tjuːn] 动词 trans (up)
| I | tune |
|---|---|
| you | tune |
| he/she/it | tunes |
| we | tune |
| you | tune |
| they | tune |
| I | tuned |
|---|---|
| you | tuned |
| he/she/it | tuned |
| we | tuned |
| you | tuned |
| they | tuned |
| I | have | tuned |
|---|---|---|
| you | have | tuned |
| he/she/it | has | tuned |
| we | have | tuned |
| you | have | tuned |
| they | have | tuned |
| I | had | tuned |
|---|---|---|
| you | had | tuned |
| he/she/it | had | tuned |
| we | had | tuned |
| you | had | tuned |
| they | had | tuned |