I. flap <flapped; flapping> [flæp] 动词 trans
| I | flap | 
|---|---|
| you | flap | 
| he/she/it | flaps | 
| we | flap | 
| you | flap | 
| they | flap | 
| I | flapped | 
|---|---|
| you | flapped | 
| he/she/it | flapped | 
| we | flapped | 
| you | flapped | 
| they | flapped | 
| I | have | flapped | 
|---|---|---|
| you | have | flapped | 
| he/she/it | has | flapped | 
| we | have | flapped | 
| you | have | flapped | 
| they | have | flapped | 
| I | had | flapped | 
|---|---|---|
| you | had | flapped | 
| he/she/it | had | flapped | 
| we | had | flapped | 
| you | had | flapped | 
| they | had | flapped | 
