| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [verb] [prep] | 172506 |
|
| 2 | [was/were] [v-ing] [prep] | 27424 |
|
| 3 | [be] missing [prep] | 294 |
|
| 4 | [was/were] miss [prep] | 104 |
|
