| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [vb pp] [prep] [noun] | 1572 |
|
| 2 | [vb pp] back [prep] [noun] | 995 |
|
| 3 | [vb infin] back [prep] [noun] | 558 |
|
| 4 | [vb infin] [vb pp] back [prep] | 61 |
|
| 5 | [vb infin] [vb pp] back [noun] | 6 |
|
