| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [verb] [art] [noun] | 893 |
|
| 2 | had been [v-ing] [art] [noun] | 448 |
|
| 3 | [verb] been having [art] [noun] | 49 |
|
| 4 | have been having [art] [noun] | 49 |
|
| 5 | [vb past] been having [art] [noun] | 27 |
|
| 6 | had been have [art] [noun] | 17 |
|
| 7 | had [been] having [art] [noun] | 16 |
|
| 8 | had [be] having [art] [noun] | 16 |
|
| 9 | had be having [art] [noun] | 16 |
|
