| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they were [v-ing] | 6086 |
|
| 2 | they were [be] | 291 |
|
| 3 | were [v-ing] [be] | 134 |
|
| 4 | they [v-ing] [be] | 23 |
|
