| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] it [adj] [verb] | 612 |
|
| 2 | [was/were] [pron] [adj] [verb] | 327 |
|
| 3 | [was/were] [pers pn] [adj] [verb] | 240 |
|
| 4 | [was/were] it [adj] [verb] | 90 |
|
