| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] at any time [prep] | 69 |
|
| 2 | [vb pp] at any one time | 31 |
|
| 3 | at any one time [prep] | 30 |
|
| 4 | [vb pp] at one time [prep] | 12 |
|
