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