| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] [pron] [prep] | 443 |
|
| 2 | have been [v-ing] [prep] this | 136 |
|
| 3 | been [v-ing] [pron] [prep] this | 12 |
|
| 4 | have been [v-ing] [pron] this | 6 |
|
