| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [prep] [adv] a [noun] | 233 |
|
| 2 | [prep] [prep] [adv] a [noun sg] | 227 |
|
| 3 | [prep] at [adv] a [noun] | 220 |
|
| 4 | [prep] at [adv] a [noun] | 220 |
|
| 5 | [prep] [prep] least a [noun] | 220 |
|
| 6 | [prep] [prep] [adv] a [noun] | 208 |
|
| 7 | for [prep] [adv] a [noun] | 151 |
|
| 8 | [prep] [prep] [adv] a year | 39 |
|
| 9 | [prep] [prep] [adv] a year | 39 |
|
| 10 | [prep] [prep] [adv] a month | 30 |
|
| 11 | [prep] [prep] [adv] a month | 30 |
|
| 12 | [prep] [prep] [adv] an [noun] | 25 |
|
| 13 | [prep] [prep] [adv] a week | 21 |
|
| 14 | [prep] [prep] [adv] a hour | 21 |
|
| 15 | [prep] [prep] [adv] a hour | 21 |
|
| 16 | [prep] [prep] [adv] a week | 21 |
|
| 17 | of [prep] [adv] a [noun] | 19 |
|
| 18 | by [prep] [adv] a [noun] | 17 |
|
| 19 | with [prep] [adv] a [noun] | 15 |
|
| 20 | [prep] [prep] [adv] a decade | 15 |
|
| 21 | [prep] [prep] [adv] a decade | 15 |
|
| 22 | in [prep] [adv] a [noun] | 10 |
|
| 23 | [prep] [prep] [adv] a quarter | 9 |
|
| 24 | [prep] [prep] [adv] a quarter | 9 |
|
| 25 | [prep] [prep] [adv] a century | 8 |
|
| 26 | [prep] [prep] [adv] a century | 8 |
|
| 27 | [prep] [prep] [adv] a fortnight | 7 |
|
| 28 | to [prep] [adv] a [noun] | 7 |
|
| 29 | [prep] [prep] just a [noun] | 7 |
|
| 30 | [prep] [prep] [adv] a fortnight | 7 |
|
