| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [prep] [art] [adj] | 14630 |
|
| 2 | back [prep] [art] [adj] | 3466 |
|
| 3 | [vb infin] back [prep] [art] | 793 |
|
| 4 | [vb infin] back [prep] [adj] | 336 |
|
| 5 | [vb infin] back [art] [adj] | 55 |
|
