| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [adv prt] at the [noun] | 447 |
|
| 2 | [vb pp] [adv prt] [prep] the back | 53 |
|
| 3 | [verb] [adv prt] at the back | 42 |
|
| 4 | [vb pp] [adv] at the back | 19 |
|
| 5 | [vb pp] [adv prt] at [art] back | 9 |
|
