| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] have [been] [v-ing] [noun pl] | 73 |
|
| 2 | [noun pl] have [been] [v-ing] on | 40 |
|
| 3 | have [been] [v-ing] on [noun pl] | 33 |
|
