| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | were [v-ing] [prep] [det] | 350 |
|
| 2 | were [v-ing] [prep] [be] | 298 |
|
| 3 | [v-ing] [prep] [be] [det] | 199 |
|
| 4 | were [prep] [be] [det] | 9 |
|
