| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [verb] the [noun] | 504 |
|
| 2 | had been [v-ing] the [noun] | 286 |
|
| 3 | have been reading the [noun] | 16 |
|
| 4 | [verb] been reading the [noun] | 16 |
|
| 5 | had been reading [art] [noun] | 11 |
|
| 6 | had been reading [art] [noun] | 11 |
|
| 7 | [vb past] been reading the [noun] | 9 |
|
| 8 | had be reading the [noun] | 8 |
|
| 9 | had [be] reading the [noun] | 8 |
|
| 10 | had been read the [noun] | 8 |
|
| 11 | had [been] reading the [noun] | 8 |
|
| 12 | had been reading the [noun] | 8 |
|
