| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | know [prep] a long time [conj] | 7 |
|
| 2 | known [prep] a long time [conj] | 7 |
|
| 3 | know for a long time [conj] | 7 |
|
| 4 | know [prep] a long time that | 6 |
|
| 5 | know [prep] a long time that | 6 |
|
| 6 | know [prep] a long time [that] | 6 |
|
