| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for at [adv] a | 178 |
|
| 2 | for [prep] least a | 178 |
|
| 3 | for [prep] [adv] a | 156 |
|
| 4 | for [prep] [adv] an | 23 |
|
