| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb past] [been] [prep] | 2390 |
|
| 2 | [pers pn] [vb past] [been] [prep] | 1811 |
|
| 3 | it [verb] [been] [prep] | 612 |
|
| 4 | it [vb past] [be] [prep] | 348 |
|
| 5 | it [vb past] [been] [prep] | 331 |
|
