| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun] had been [v-ing] | 60 |
|
| 2 | [prep] [noun] had be [v-ing] | 60 |
|
| 3 | [prep] [noun prp] had be [v-ing] | 30 |
|
| 4 | of [noun] had be [v-ing] | 28 |
|
| 5 | of [noun] had be [v-ing] | 28 |
|
| 6 | in [noun] had be [v-ing] | 17 |
|
| 7 | in [noun] had be [v-ing] | 17 |
|
| 8 | [prep] [noun sg] had be [v-ing] | 15 |
|
| 9 | [prep] [noun pl] had be [v-ing] | 13 |
|
