| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they 've been [verb] [prep] [adv] | 11 |
|
| 2 | they 've been [v-ing] [prep] [adv] | 6 |
|
| 3 | they 've been [vb pp] [prep] [adv] | 5 |
|
