| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb past] [been] [prep] [det] | 121 |
|
| 2 | it [vb past] [been] [prep] [adj] | 61 |
|
| 3 | it [verb] [been] [prep] [det] | 46 |
|
| 4 | it [vb past] [be] [prep] [det] | 15 |
|
