| Present | Future | Imperfect | Present participle | tonnant | ||||
| il | tonne | tonnera | tonnait | |||||
| Passé composé | ||||||||
| Auxiliary verb | avoir | |||||||
| Past participle | tonné | |||||||
| Subjunctive | Conditional | Passé simple | Imperfect subjunctive | |||||
| il | tonne | tonnerait | tonna | tonnât | ||||
| Imperative | ||||||||
| n/a | Tonner is an impersonal, regular -ER verb | |||||||

