| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] that have been [v-ing] | 259 |
|
| 2 | [noun] have been [v-ing] at | 149 |
|
| 3 | that have been [v-ing] at | 8 |
|
| 4 | [noun] that have been at | 8 |
|
