| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [been] [prep] a [adj] | 57 |
|
| 2 | has [been] known [prep] [adj] | 23 |
|
| 3 | [been] known [prep] a [adj] | 13 |
|
| 4 | has [been] known [prep] a | 8 |
|
