| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [be] [v-ing] on [pron] | 521 |
|
| 2 | [pers pn] [be] [v-ing] on [pron] | 458 |
|
| 3 | it [be] [v-ing] [prep] [pron] | 230 |
|
| 4 | it [be] [verb] on [pron] | 91 |
|
| 5 | it [be] [v-ing] on [pron] | 40 |
|
