| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] it [be] [pron] | 1352 |
|
| 2 | [vb past] [pron] [be] [pron] | 768 |
|
| 3 | [vb past] [pers pn] [be] [pron] | 469 |
|
| 4 | [vb past] it [be] [pron] | 330 |
|
