| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] be [v-ing] | 21170 |
|
| 2 | be [v-ing] on | 5746 |
|
| 3 | [verb] be on | 1498 |
|
| 4 | [verb] [v-ing] on | 1336 |
|
