| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] on [art] | 2779 |
|
| 2 | be [v-ing] on [art] | 2778 |
|
| 3 | been [v-ing] [prep] [art] | 2210 |
|
| 4 | been [verb] on [art] | 1609 |
|
| 5 | [been] [v-ing] on [art] | 254 |
|
