| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they 've been [v-ing] [adv] [prep] | 8 |
|
| 2 | they 've be [v-ing] [adv] [prep] | 8 |
|
| 3 | they 've be [v-ing] [adv] for | 6 |
|
| 4 | they 've be [v-ing] [adv] for | 6 |
|
