| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 've been [v-ing] [pers pn] [prep] | 90 |
|
| 2 | they 've been [v-ing] [prep] | 71 |
|
| 3 | they 've been [v-ing] [pers pn] | 34 |
|
