| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [prep] | 3635 |
|
| 2 | [verb] been through | 414 |
|
| 3 | have been through | 414 |
|
| 4 | [vb past] been through | 98 |
|
| 5 | had [be] through | 75 |
|
| 6 | had be through | 75 |
|
| 7 | had [been] through | 74 |
|
