| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [prep] [adj] | 20027 |
|
| 2 | was [v-ing] [prep] | 18606 |
|
| 3 | was [prep] [adj] | 2299 |
|
| 4 | was [v-ing] [adj] | 2216 |
|
