تصريف الفعل To know
| Simple present | Present continuous | Present perfect |
| I know You know He/She/It knows We know They know |
I am knowing You are knowing He/She/It is knowing We are knowing They are knowing |
I have known You have known He/She/It has known We have known They have known |
| Simple past | Past continuous | Past perfect |
| I knew You knew He/She/It knew We knew They knew |
I was knowing You were knowing He/She/It was knowing We were knowing They were knowing |
I had known You had known He/She/It had known We had known They had known |
| Simple future | Future continuous | Future perfect |
| I will know You will know He/She/It will know We will know They will know |
I will be knowing You will be knowing He/She/It will be knowing We will be knowing They will be knowing |
I will have known You will have known He/She/It will have known We will have known They will have known |