| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [v-ing] [prep] [noun prp] | 175 |
|
| 2 | had been [v-ing] for [noun] | 81 |
|
| 3 | had been [verb] for [noun prp] | 59 |
|
| 4 | have been [v-ing] for [noun prp] | 39 |
|
| 5 | [verb] been [v-ing] for [noun prp] | 39 |
|
| 6 | [vb past] been [v-ing] for [noun prp] | 29 |
|
| 7 | had [been] [v-ing] for [noun prp] | 24 |
|
| 8 | had [be] [v-ing] for [noun prp] | 24 |
|
| 9 | had be [v-ing] for [noun prp] | 24 |
|
