| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | know [noun] for [art] long time | 6 |
|
| 2 | know [noun] [prep] [art] long time | 6 |
|
| 3 | know [noun] [prep] a long time | 6 |
|
| 4 | know [noun prp] [prep] [art] long time | 6 |
|
| 5 | known [noun] [prep] [art] long time | 6 |
|
