| INDICATIVE |  | 
| Present |  | 
| I tunnel You tunnel
 He/She/It tunnels
 We tunnel
 You tunnel
 They tunnel
 
 |  | 
| Imperfect |  | 
| I was tunneling You were tunneling
 He/She/It was tunneling
 We were tunneling
 You were tunneling
 They were tunneling
 
 |  | 
| Perfect |  | 
| I tunneled You tunneled
 He/She/It tunneled
 We tunneled
 You tunneled
 They tunneled
 
 |  | 
| Perfect |  | 
| I have tunneled You have tunneled
 He/She/It has tunneled
 We have tunneled
 You have tunneled
 They have tunneled
 
 |  | 
| PlusPerfect |  | 
| I had tunneled You had tunneled
 He/She/It had tunneled
 We had tunneled
 You had tunneled
 They had tunneled
 
 |  | 
| Plusperfect |  | 
| I had tunneled You had tunneled
 He/She/It had tunneled
 We had tunneled
 You had tunneled
 They had tunneled
 
 |  | 
| Future |  | 
| I will tunnel You will tunnel
 He/She/It will tunnel
 We will tunnel
 You will tunnel
 They will tunnel
 
 |  | 
| Future perfect |  | 
| I will have tunneled You will have tunneled
 He/She/It will have tunneled
 We will have tunneled
 You will have tunneled
 They will have tunneled
 
 |  | 
| SUBJUNTIVE |  | 
| Present |  | 
| I (that )may tunnel You (that )may tunnel
 He/She/It (that )may tunnel
 We (that )may tunnel
 You (that )may tunnel
 They (that )may tunnel
 
 |  | 
| Imperfect |  | 
| I (that )might tunnel You (that )might tunnel
 He/She/It (that )might tunnel
 We (that )might tunnel
 You (that )might tunnel
 They (that )might tunnel
 
 |  | 
| Perfect |  | 
| I (whether) tunneled You (whether) tunneled
 He/She/It (whether) tunneled
 We (whether) tunneled
 You (whether) tunneled
 They (whether) tunneled
 
 |  | 
| Pluperfect |  | 
| I (whether) had tunneled You (whether) had tunneled
 He/She/It (whether) had tunneled
 We (whether) had tunneled
 You (whether) had tunneled
 They (whether) had tunneled
 
 |  | 
| CONDITIONAL |  | 
| Present |  | 
| I would tunnel You would tunnel
 He/She/It would tunnel
 We would tunnel
 You would tunnel
 They would tunnel
 
 |  | 
| Perfect |  | 
| I would have tunneled You would have tunneled
 He/She/It would have tunneled
 We would have tunneled
 You would have tunneled
 They would have tunneled
 
 |  | 
| IMPERATIVE |  | 
| Present |  | 
| let me tunnel tunnel
 let him tunnel
 let us tunnel
 tunnel
 let them tunnel
 
 |  | 
| PARTICIPLE |  | 
| Present |  | 
| tunneling 
 |  | 
| Perfect |  | 
| tunneled 
 |  | 
| INFINITIVE |  | 
| Present |  | 
| to tunnel 
 |  | 
| Perfect |  | 
| have tunneled 
 |  | 
| GERUND |  | 
| Present |  | 
| tunneling 
 |  | 
| Perfect |  | 
| having tunneled 
 |  |