| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [num] [conj] [adv] | 73 |
|
| 2 | for a [adj] [conj] [adv] | 56 |
|
| 3 | for [art] [num] [conj] [adv] | 27 |
|
