| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] be [v-ing] on | 420 |
|
| 2 | [det] [verb] be [v-ing] | 114 |
|
| 3 | [det] be [v-ing] on | 96 |
|
| 4 | [det] [verb] [v-ing] on | 6 |
|
