| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] it [was/were] [prep] [verb] | 46 |
|
| 2 | [pron] it [be] [prep] [v-ing] | 29 |
|
| 3 | [pron] [pron] [was/were] [prep] [v-ing] | 18 |
|
| 4 | [pron] it [was/were] [prep] [v-ing] | 12 |
|
