| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it [was/were] [v-ing] | 1176 |
|
| 2 | [prep] [conj] it [was/were] | 944 |
|
| 3 | [prep] it [was/were] [v-ing] | 49 |
|
| 4 | [prep] [conj] [was/were] [v-ing] | 8 |
|
