| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun pl] [prep] a time | 102 |
|
| 2 | [prep] [noun pl] [prep] a time | 102 |
|
| 3 | [prep] [noun pl] [prep] a time | 102 |
|
| 4 | [prep] [noun pl] at a time | 96 |
|
| 5 | [prep] [noun pl] at a time | 96 |
|
| 6 | for [noun pl] [prep] a time | 67 |
|
| 7 | for [noun pl] [prep] a time | 67 |
|
| 8 | of [noun pl] [prep] a time | 23 |
|
| 9 | of [noun pl] [prep] a time | 23 |
|
| 10 | [prep] months [prep] a time | 16 |
|
| 11 | [prep] hours [prep] a time | 15 |
|
| 12 | [prep] days [prep] a time | 14 |
|
| 13 | [prep] weeks [prep] a time | 13 |
|
| 14 | [prep] years [prep] a time | 6 |
|
| 15 | on [noun pl] [prep] a time | 5 |
|
| 16 | on [noun pl] [prep] a time | 5 |
|
