| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been known for a long | 8 |
|
| 2 | have been known for a long | 8 |
|
| 3 | been known for a long [noun] | 8 |
|
| 4 | been known for a long time | 8 |
|
| 5 | been known for a long [noun sg] | 8 |
|
| 6 | been known for a long time | 8 |
|
