| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [v-ing] in the | 1206 |
|
| 2 | [Wh det] [was/were] in the | 136 |
|
| 3 | [Wh det] [was/were] [v-ing] in | 131 |
|
| 4 | [Wh det] [was/were] [v-ing] the | 84 |
|
