| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] pass through | 17 |
|
| 2 | [be] [vb pp] pass through | 16 |
|
| 3 | [be] [verb] to pass through | 14 |
|
| 4 | [be] [verb] pass through | 8 |
|
| 5 | be [verb] pass through | 8 |
|
| 6 | [was/were] [verb] pass through | 5 |
|
