| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have known [prep] a long time | 12 |
|
| 2 | have known [prep] a long time | 12 |
|
| 3 | have known [prep] a long time | 12 |
|
| 4 | have known for a long time | 11 |
|
| 5 | have known for a long time | 11 |
|
