| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] had been [verb] [prep] [noun] | 757 |
|
| 2 | [noun] had been [v-ing] [prep] [noun] | 137 |
|
| 3 | [noun pl] [verb] been [v-ing] [prep] [noun] | 116 |
|
| 4 | [noun pl] have been [v-ing] [prep] [noun] | 116 |
|
| 5 | [noun pl] [vb past] been [v-ing] [prep] [noun] | 28 |
|
| 6 | [noun pl] had be [v-ing] [prep] [noun] | 28 |
|
| 7 | [noun pl] had been [v-ing] [prep] [noun] | 28 |
|
| 8 | [noun pl] had [been] [v-ing] [prep] [noun] | 28 |
|
| 9 | [noun pl] had [be] [v-ing] [prep] [noun] | 28 |
|
