| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] be attach to | 112 |
|
| 2 | which [vb mod] be attach | 16 |
|
| 3 | which [vb mod] be to | 15 |
|
| 4 | which [vb mod] attach to | 5 |
|
