| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | known [prep] a long time | 23 |
|
| 2 | known [prep] [art] long time | 23 |
|
| 3 | known [prep] [art] long time | 23 |
|
| 4 | known for [art] long time | 22 |
|
