| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of [noun] that have been [v-ing] | 17 |
|
| 2 | of [noun sg] that have been [v-ing] | 11 |
|
| 3 | of [noun] that had been [v-ing] | 8 |
|
| 4 | of [noun] that has been [v-ing] | 6 |
|
