| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] [verb] [vb pp] [adv] [prep] | 614 |
|
| 2 | [Wh pn] [verb] [vb pp] [adv prt] [prep] | 344 |
|
| 3 | [pron] [verb] [vb pp] back [prep] | 295 |
|
| 4 | [Wh pn] [verb] [verb] back [prep] | 39 |
|
| 5 | [Wh pn] [verb] [vb pp] back [prep] | 31 |
|
