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