| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | can [be] [vb pp] [prep] | 20638 |
|
| 2 | [be] [vb pp] back [prep] | 574 |
|
| 3 | can [be] [vb pp] back | 167 |
|
| 4 | can [be] back [prep] | 7 |
|
