| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] at any time | 125 |
|
| 2 | [adv prt] at any time | 55 |
|
| 3 | back at any [noun] | 13 |
|
| 4 | back at any [noun sg] | 11 |
|
| 5 | back at [adj] time | 10 |
|
| 6 | back at any time | 5 |
|
| 7 | back [prep] any time | 5 |
|
| 8 | back at any time | 5 |
|
| 9 | back at any time | 5 |
|
| 10 | back [prep] any time | 5 |
|
