| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been written [prep] | 133 |
|
| 2 | has be written about | 50 |
|
| 3 | has be written on | 23 |
|
| 4 | has be written by | 22 |
|
| 5 | has be written in | 15 |
|
| 6 | has be written for | 7 |
|
