| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [be] [verb] on [det] | 301 |
|
| 2 | [vb mod] [be] [v-ing] [prep] [det] | 286 |
|
| 3 | [vb mod] [be] [v-ing] on [adj] | 46 |
|
| 4 | [modal v] [be] [v-ing] on [det] | 20 |
|
