| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had known for | 39 |
|
| 2 | have known for | 36 |
|
| 3 | 've known for | 18 |
|
| 4 | has known for | 10 |
|
| 5 | 'd known for | 6 |
|
