| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what go on behind the [noun] | 7 |
|
| 2 | what go [adv prt] behind the [noun pl] | 6 |
|
| 3 | what go [adv prt] behind the scene | 5 |
|
| 4 | what go [adv prt] behind the scenes | 5 |
|
