| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | know [pron] for a long time | 8 |
|
| 2 | know [pron] [prep] a long time | 8 |
|
| 3 | know [pron] [prep] a long time | 8 |
|
| 4 | know [pron] for a long time | 8 |
|
