| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] [been] [vb pp] by [det] writers | 11 |
|
| 2 | has [been] [vb pp] by [det] writer | 11 |
|
| 3 | [vb -s] been [vb pp] by [det] writer | 11 |
|
| 4 | [vb -s] [been] [vb pp] by some writer | 5 |
|
