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