| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] who had been [verb] [prep] | 426 |
|
| 2 | [noun] [pron] had been [v-ing] [prep] | 265 |
|
| 3 | [noun] who have been [v-ing] [prep] | 160 |
|
| 4 | [noun] who [verb] been [v-ing] [prep] | 160 |
|
| 5 | [noun] who [vb past] been [v-ing] [prep] | 84 |
|
| 6 | [noun] who had [been] [v-ing] [prep] | 74 |
|
| 7 | [noun] who had [be] [v-ing] [prep] | 74 |
|
| 8 | [noun] who had be [v-ing] [prep] | 74 |
|
