
Verbo irregular: understand - understood - understood
Presente | Presente continuo | Pretérito | Pretérito continuo | 
| I don't understand you don't understand he doesn't understand we don't understand you don't understand they don't understand  | I'm not understanding you aren't understanding he isn't understanding we aren't understanding you aren't understanding they aren't understanding  | I didn't understand you didn't understand he didn't understand we didn't understand you didn't understand they didn't understand  | I wasn't understanding you weren't understanding he wasn't understanding we weren't understanding you weren't understanding they weren't understanding  | 
Presente perfecto | Presente perfecto continuo | Pluscuamperfecto | Pluscuamperfecto continuo | 
| I haven't understood you haven't understood he hasn't understood we haven't understood you haven't understood they haven't understood  | I haven't  been understanding you haven't been understanding he hasn't been understanding we haven't been understanding you haven't been understanding they haven't been understanding  | I hadn't understood you hadn't understood he hadn't understood we hadn't understood you hadn't understood they hadn't understood  | I hadn't been understanding you hadn't been understanding he hadn't been understanding we hadn't been understanding you hadn't been understanding they hadn't been understanding  | 
Futuro simple | Futuro continuo | Futuro perfecto | Futuro perfecto contínuo | 
| I won't understand you won't understand he won't understand we won't understand you won't understand they won't understand  | I won't be understanding you won't be understanding he won't be understanding we won't be understanding you won't be understanding they won't be understanding  | I won't have understood you won't have understood he won't have understood we won't have understood you won't have understood they won't have understood  | I won't have been understanding you won't have been understanding he won't have been understanding we won't have been understanding you won't have been understanding they won't have been understanding  | 
Presente | Presente continuo | Passado | Passado continuo | 
| I wouldn't understand you wouldn't understand he wouldn't understand we wouldn't understand you wouldn't understand they wouldn't understand  | I wouldn't be understanding you wouldn't be understanding he wouldn't be understanding we wouldn't be understanding you wouldn't be understanding they wouldn't be understanding  | I wouldn't have understood you wouldn't have understood he wouldn't have understood we wouldn't have understood you wouldn't have understood they wouldn't have understood  | I wouldn't have been understanding you wouldn't have been understanding he wouldn't have been understanding we wouldn't have been understanding you wouldn't have been understanding they wouldn't have been understanding  | 
Infinitivo | Imperativo | 
Infinitivo | Imperativo | ||
| to understand | do not understand Let's not understand do not understand  | 
Presente | Passado | ||
| understanding | understood |