| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] on [det] | 357 |
|
| 2 | to [be] [v-ing] [det] | 322 |
|
| 3 | to [be] [v-ing] on | 155 |
|
| 4 | to [be] on [det] | 25 |
|
| 5 | to [v-ing] on [det] | 5 |
|
