| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [prep] [pron] | 10140 |
|
| 2 | it [was/were] [prep] | 9027 |
|
| 3 | [was/were] [prep] [pron] | 6324 |
|
| 4 | it [was/were] [pron] | 5206 |
|
