| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] have been [v-ing] | 1409 |
|
| 2 | have been [v-ing] [prep] | 1115 |
|
| 3 | [pers pn] have been [prep] | 459 |
|
| 4 | [pers pn] been [v-ing] [prep] | 136 |
|
