| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [vb mod] [be] [v-ing] on [adj] | 6 |
|
| 2 | they [vb mod] be [v-ing] on [adj] | 6 |
|
| 3 | they [vb mod] be [v-ing] on [adj] | 6 |
|
