| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] have been [v-ing] [prep] | 1813 |
|
| 2 | [noun] who have been [v-ing] | 467 |
|
| 3 | who have been [v-ing] [prep] | 332 |
|
| 4 | [noun] who have been [prep] | 326 |
|
