تصريف الفعل To understand
| Simple present | Present continuous | Present perfect | 
| I understand You understand He/She/It understands We understand They understand | I am understanding You are understanding He/She/It is understanding We are understanding They are understanding | I have understood You have understood He/She/It has understood We have understood They have understood | 
| Simple past | Past continuous | Past perfect | 
| I understood You understood He/She/It understood We understood They understood | I was understanding You were understanding He/She/It was understanding We were understanding They were understanding | I had understood You had understood He/She/It had understood We had understood They had understood | 
| Simple future | Future continuous | Future perfect | 
| I will understand You will understand He/She/It will understand We will understand They will understand | I will be understanding You will be understanding He/She/It will be understanding We will be understanding They will be understanding | I will have understood You will have understood He/She/It will have understood We will have understood They will have understood |