| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [prep] [noun] | 1251 |
|
| 2 | had been [num] [noun] | 177 |
|
| 3 | had been [prep] [num] | 111 |
|
| 4 | been [prep] [num] [noun] | 96 |
|
| 5 | had [prep] [num] [noun] | 91 |
|
