| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adv] a [noun] | 3372 |
|
| 2 | for [adv] a [noun] | 948 |
|
| 3 | for [prep] a [noun] | 348 |
|
| 4 | for [prep] [adv] a | 179 |
|
| 5 | for [prep] [adv] [noun] | 50 |
|
