
Verbo irregolare: understand - understood - understood
| Presente | Presente continuo | Preterito | Preterite continua | 
| I understand you understand she understands we understand you understand they understand | I am understanding you are understanding she is understanding we are understanding you are understanding they are understanding | I understood you understood she understood we understood you understood they understood | I was understanding you were understanding she was understanding we were understanding you were understanding they were understanding | 
| Presente perfetto | Presente perfetto continuo | Piuccheperfetto | Piuccheperfetto continuo | 
| I have understood you have understood she has understood we have understood you have understood they have understood | I have been understanding you have been understanding she has been understanding we have been understanding you have been understanding they have been understanding | I had understood you had understood she had understood we had understood you had understood they had understood | I had been understanding you had been understanding she had been understanding we had been understanding you had been understanding they had been understanding | 
| Futuro semplice | Futuro continuo | Futuro anteriore | Futuro anteriore contínuo | 
| I will understand you will understand she will understand we will understand you will understand they will understand | I will be understanding you will be understanding she will be understanding we will be understanding you will be understanding they will be understanding | I will have understood you will have understood she will have understood we will have understood you will have understood they will have understood | I will have been understanding you will have been understanding she will have been understanding we will have been understanding you will have been understanding they will have been understanding | 
| Presente | Presente continuo | Passato | Passato continuo | 
| I would understand you would understand she would understand we would understand you would understand they would understand | I would be understanding you would be understanding she would be understanding we would be understanding you would be understanding they would be understanding | I would have understood you would have understood she would have understood we would have understood you would have understood they would have understood | I would have been understanding you would have been understanding she would have been understanding we would have been understanding you would have been understanding they would have been understanding | 
| Infinito | Imperativo | 
| Infinito | Imperativo | ||
| to understand | understand Let's understand understand | 
| Presente | Passato | ||
| understanding | understood |