| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] [to-vb] [prep] [art] | 1018 |
|
| 2 | [to-vb] back [prep] [art] | 1005 |
|
| 3 | [noun prp] back [prep] [art] | 116 |
|
| 4 | [noun prp] [to-vb] back [prep] | 49 |
|
| 5 | [noun prp] [to-vb] back [art] | 10 |
|
