| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] on | 583 |
|
| 2 | [v-ing] on [num ord] | 57 |
|
| 3 | be [v-ing] [num ord] | 41 |
|
| 4 | be on [num ord] | 11 |
|
