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