| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [be] [v-ing] [det] | 416 |
|
| 2 | [be] [v-ing] on [det] | 357 |
|
| 3 | they [be] [v-ing] on | 294 |
|
| 4 | they [be] on [det] | 25 |
|
