| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] [been] [adj] | 493 |
|
| 2 | [pron] [vb past] [been] [det] | 439 |
|
| 3 | [pers pn] [vb past] [been] [det] | 113 |
|
| 4 | it [verb] [been] [det] | 111 |
|
| 5 | it [vb past] [be] [det] | 63 |
|
| 6 | it [vb past] [been] [det] | 53 |
|
