| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adv] a | 6059 |
|
| 2 | for [adv] a | 1389 |
|
| 3 | for [prep] [adv] | 1269 |
|
| 4 | for [prep] a | 497 |
|
