| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [noun] [verb] been [v-ing] [prep] | 14 |
|
| 2 | which [noun] have been [v-ing] [prep] | 14 |
|
| 3 | which [noun prp] [verb] been [v-ing] [prep] | 11 |
|
| 4 | which [noun] has been [v-ing] [prep] | 7 |
|
| 5 | which [noun] [vb -s] been [v-ing] [prep] | 7 |
|
| 6 | which [noun] had been [v-ing] [prep] | 6 |
|
| 7 | which [noun] [vb past] been [v-ing] [prep] | 6 |
|
| 8 | which [noun] [verb] been [v-ing] for | 5 |
|
