| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [det] [prep] it has [been] | 6 |
|
| 2 | [det] [prep] it has [been] [vb pp] | 13 |
|
| 3 | [det] [prep] it has [been] [verb] | 13 |
|
