| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [was/were] [v-ing] [prep] [adj] | 77 |
|
| 2 | [conj] [was/were] [verb] on [adj] | 59 |
|
| 3 | [conj] [be] [v-ing] on [adj] | 15 |
|
