| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [verb] an [noun] | 45 |
|
| 2 | had been [v-ing] an [noun] | 25 |
|
| 3 | [verb] been having an [noun] | 22 |
|
| 4 | have been having an [noun] | 22 |
|
| 5 | [vb past] been having an [noun] | 18 |
|
| 6 | had been having [art] [noun] | 16 |
|
| 7 | had been having a [noun] | 16 |
|
| 8 | had been having [art] [noun] | 16 |
|
| 9 | had [be] having an [noun] | 14 |
|
| 10 | had [been] having an [noun] | 14 |
|
| 11 | had be having an [noun] | 14 |
|
| 12 | had been have an [noun] | 14 |
|
