| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have know for some time | 16 |
|
| 2 | have known for some time | 16 |
|
| 3 | have know for some time | 16 |
|
| 4 | have know for some time | 8 |
|
| 5 | had know for some time | 6 |
|
