| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] on [art] | 2779 |
|
| 2 | [be] [adv] on [art] | 1386 |
|
| 3 | [v-ing] [adv] on [art] | 724 |
|
| 4 | [be] [v-ing] [adv] [art] | 552 |
|
| 5 | [be] [v-ing] [adv] on | 316 |
|
