| I | quaver | 
|---|---|
| you | quaver | 
| he/she/it | quavers | 
| we | quaver | 
| you | quaver | 
| they | quaver | 
| I | quavered | 
|---|---|
| you | quavered | 
| he/she/it | quavered | 
| we | quavered | 
| you | quavered | 
| they | quavered | 
| I | have | quavered | 
|---|---|---|
| you | have | quavered | 
| he/she/it | has | quavered | 
| we | have | quavered | 
| you | have | quavered | 
| they | have | quavered | 
| I | had | quavered | 
|---|---|---|
| you | had | quavered | 
| he/she/it | had | quavered | 
| we | had | quavered | 
| you | had | quavered | 
| they | had | quavered | 
无例句可用
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