| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had be [v-ing] through a | 7 |
|
| 2 | [vb past] been [v-ing] through a | 7 |
|
| 3 | [vb past] be [v-ing] through a | 7 |
|
| 4 | [vb past] be [v-ing] through a | 6 |
|
| 5 | [vb past] be going through a | 5 |
|
