| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been known [prep] a long | 8 |
|
| 2 | have been known for a long | 8 |
|
| 3 | have been known for a long | 8 |
|
| 4 | have been known [prep] a long | 8 |
|
| 5 | have been known [prep] a long | 8 |
|
