| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [adv] [vb pp] [prep] [noun prp] | 216 |
|
| 2 | [adv] [vb pp] back [prep] [noun prp] | 62 |
|
| 3 | has [adv] [vb pp] back [prep] | 23 |
|
| 4 | has [vb pp] back [prep] [noun prp] | 12 |
|
