| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [vb pp] [adv] [prep] | 2995 |
|
| 2 | has [vb pp] [adv prt] [prep] | 1555 |
|
| 3 | [verb] [vb pp] back [prep] | 742 |
|
| 4 | have [vb pp] back [prep] | 708 |
|
| 5 | [vb -s] [vb pp] back [prep] | 159 |
|
| 6 | has [verb] back [prep] | 125 |
|
| 7 | has [vb pp] back [prep] | 104 |
|
