| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they 've been [v-ing] [art] | 20 |
|
| 2 | they 've been [v-ing] the | 15 |
|
| 3 | they 've been [v-ing] the | 15 |
|
| 4 | they 've been [v-ing] a | 5 |
|
