| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [v-ing] on [adj] | 202 |
|
| 2 | [Wh det] [was/were] [v-ing] [adj] | 104 |
|
| 3 | [Wh det] [was/were] [v-ing] on | 46 |
|
| 4 | [Wh det] [was/were] on [adj] | 6 |
|
