| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] [adv] [vb pp] | 21363 |
|
| 2 | [adv] [vb pp] back | 885 |
|
| 3 | [vb -s] [vb pp] back | 303 |
|
| 4 | [vb -s] [adv] back | 56 |
|
