| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [was/were] [prep] | 9033 |
|
| 2 | it [was/were] [pron] | 5214 |
|
| 3 | [was/were] [pron] [prep] | 3162 |
|
| 4 | it [pron] [prep] | 149 |
|
