| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for [adv] a [adj] | 427 |
|
| 2 | for [adv] [adj] hours | 208 |
|
| 3 | for a [adj] hours | 158 |
|
| 4 | [adv] a [adj] hours | 134 |
|
