| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] known for [det] time | 9 |
|
| 2 | [vb base] known for some time | 9 |
|
| 3 | [vb base] known for some time | 9 |
|
| 4 | have known for [adj] time | 8 |
|
