| I | tunnel | 
|---|---|
| you | tunnel | 
| he/she/it | tunnels | 
| we | tunnel | 
| you | tunnel | 
| they | tunnel | 
| I | tunnelled / 美 tunneled | 
|---|---|
| you | tunnelled / 美 tunneled | 
| he/she/it | tunnelled / 美 tunneled | 
| we | tunnelled / 美 tunneled | 
| you | tunnelled / 美 tunneled | 
| they | tunnelled / 美 tunneled | 
| I | have | tunnelled / 美 tunneled | 
|---|---|---|
| you | have | tunnelled / 美 tunneled | 
| he/she/it | has | tunnelled / 美 tunneled | 
| we | have | tunnelled / 美 tunneled | 
| you | have | tunnelled / 美 tunneled | 
| they | have | tunnelled / 美 tunneled | 
| I | had | tunnelled / 美 tunneled | 
|---|---|---|
| you | had | tunnelled / 美 tunneled | 
| he/she/it | had | tunnelled / 美 tunneled | 
| we | had | tunnelled / 美 tunneled | 
| you | had | tunnelled / 美 tunneled | 
| they | had | tunnelled / 美 tunneled | 
