| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [verb] back [prep] | 152 |
|
| 2 | [pron] goes back [prep] | 113 |
|
| 3 | which [vb -s] back [prep] | 76 |
|
| 4 | which goes [adv] [prep] | 69 |
|
| 5 | which go back [prep] | 36 |
|
