| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] on [art] | 2778 |
|
| 2 | be [v-ing] [art] [noun pl] | 2138 |
|
| 3 | [v-ing] on [art] [noun pl] | 1069 |
|
| 4 | be on [art] [noun pl] | 516 |
|
| 5 | be [v-ing] on [noun pl] | 196 |
|
