| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] what [was/were] [v-ing] through | 8 |
|
| 2 | [vb past] what was [v-ing] through | 8 |
|
| 3 | [vb past] what be [v-ing] through | 8 |
|
| 4 | [vb past] what [be] [v-ing] through | 8 |
|
| 5 | [vb past] what [be] going through | 7 |
|
| 6 | knew what [be] [v-ing] through | 6 |
|
