| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [prep] [be] [verb] through | 29 |
|
| 2 | [vb past] [prep] [be] [vb pp] through | 18 |
|
| 3 | [vb past] [prep] [be] [v-ing] through | 11 |
|
