| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] be known for some | 5 |
|
| 2 | [vb base] been known for some | 5 |
|
| 3 | [vb base] [been] known for some | 5 |
|
| 4 | have [be] known for some | 5 |
|
