| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [n mass] are [v-ing] on [art] | 6 |
|
| 2 | [n mass] [am/are] [v-ing] on [art] | 6 |
|
| 3 | people [am/are] [v-ing] on [art] | 5 |
|
