| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [verb] the [noun] | 504 |
|
| 2 | had been [v-ing] the [noun] | 286 |
|
| 3 | [verb] been discussing the [noun] | 29 |
|
| 4 | have been discussing the [noun] | 29 |
|
| 5 | had been discussing [art] [noun] | 10 |
|
| 6 | had been discuss the [noun] | 10 |
|
| 7 | [vb past] been discussing the [noun] | 10 |
|
| 8 | had be discussing the [noun] | 10 |
|
| 9 | had [be] discussing the [noun] | 10 |
|
| 10 | had [been] discussing the [noun] | 10 |
|
