| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for [adv] a [noun sg] | 937 |
|
| 2 | for [adv] a [noun] | 784 |
|
| 3 | for [adv] a year | 226 |
|
| 4 | for [adv] a year | 226 |
|
| 5 | for over a [noun] | 182 |
|
| 6 | for about a [noun] | 165 |
|
| 7 | for [adv] an [noun] | 160 |
|
| 8 | for quite a [noun] | 158 |
|
| 9 | for [adv] a hour | 140 |
|
| 10 | for [adv] a hour | 140 |
|
| 11 | for [adv] a while | 109 |
|
| 12 | for [adv] a while | 109 |
|
| 13 | for nearly a [noun] | 108 |
|
| 14 | for almost a [noun] | 106 |
|
| 15 | for [adv] a week | 92 |
|
| 16 | for [adv] a week | 92 |
|
| 17 | for only a [noun] | 69 |
|
| 18 | for just a [noun] | 61 |
|
| 19 | for [adv] a quarter | 49 |
|
| 20 | for [adv] a quarter | 49 |
|
| 21 | for [adv] a century | 30 |
|
| 22 | for [adv] a century | 29 |
|
| 23 | for [adv] a minute | 27 |
|
| 24 | for [adv] a minute | 27 |
|
| 25 | for [adv] a decade | 26 |
|
| 26 | for [adv] a decade | 26 |
|
| 27 | for [adv] a moment | 24 |
|
| 28 | for [adv] a moment | 24 |
|
| 29 | for [adv] a bit | 20 |
|
| 30 | for [adv] a bit | 20 |
|
