| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun] [prep] a time | 240 |
|
| 2 | [prep] [noun pl] [prep] a time | 102 |
|
| 3 | [prep] [noun sg] [prep] a time | 97 |
|
| 4 | [prep] [pron] [prep] a time | 45 |
|
| 5 | [prep] [noun prp] [prep] a time | 36 |
|
| 6 | [prep] [adj] [prep] a time | 27 |
|
| 7 | [prep] [pers pn] [prep] a time | 26 |
|
| 8 | [prep] [adv] [prep] a time | 21 |
|
| 9 | [prep] [adv] [prep] a time | 21 |
|
| 10 | [prep] [num] [prep] a time | 18 |
|
| 11 | [prep] one [prep] a time | 17 |
|
| 12 | [prep] [indef pn] [prep] a time | 17 |
|
| 13 | [prep] one [prep] a time | 17 |
|
| 14 | [prep] months [prep] a time | 16 |
|
| 15 | [prep] month [prep] a time | 16 |
|
| 16 | [prep] hour [prep] a time | 15 |
|
| 17 | [prep] hours [prep] a time | 15 |
|
| 18 | [prep] least [prep] a time | 15 |
|
| 19 | [prep] least [prep] a time | 15 |
|
| 20 | [prep] days [prep] a time | 14 |
|
| 21 | [prep] day [prep] a time | 14 |
|
| 22 | [prep] week [prep] a time | 13 |
|
| 23 | [prep] weeks [prep] a time | 13 |
|
| 24 | [prep] [verb] [prep] a time | 12 |
|
| 25 | [prep] [v-ing] [prep] a time | 11 |
|
| 26 | [prep] they [prep] a time | 8 |
|
| 27 | [prep] them [prep] a time | 8 |
|
| 28 | [prep] [det] [prep] a time | 6 |
|
| 29 | [prep] year [prep] a time | 6 |
|
| 30 | [prep] years [prep] a time | 6 |
|
