| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [det] was [verb] | 315 |
|
| 2 | [prep] [det] [be] [v-ing] | 148 |
|
| 3 | [prep] [det] be [v-ing] | 148 |
|
| 4 | [prep] [adj] was [v-ing] | 88 |
|
| 5 | [prep] [det] [was/were] [v-ing] | 49 |
|
| 6 | [prep] [det] was [v-ing] | 34 |
|
