| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv prt] at the back [prep] | 26 |
|
| 2 | [adv prt] at [art] back [prep] | 26 |
|
| 3 | [adv prt] at [art] back [prep] | 26 |
|
| 4 | [adv prt] at [art] back of | 20 |
|
| 5 | [adv prt] at [art] back of | 20 |
|
| 6 | up at [art] back [prep] | 14 |
|
