| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [pron] [be] | 1376 |
|
| 2 | [pron] [was/were] [pron] [be] | 608 |
|
| 3 | [pers pn] [was/were] [pron] [be] | 492 |
|
| 4 | it [was/were] [pron] [be] | 241 |
|
