| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to [be] [verb] on [det] | 176 |
|
| 2 | to [be] [v-ing] [prep] [det] | 134 |
|
| 3 | to [be] [v-ing] on [adj] | 30 |
|
| 4 | [prep] [be] [v-ing] on [det] | 17 |
|
