| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for [adv] a [adj] [noun] | 350 |
|
| 2 | for [adv] a [adj] [noun sg] | 196 |
|
| 3 | [prep] [adv] a [adj] period | 27 |
|
| 4 | for [adv] [art] [adj] period | 19 |
|
| 5 | for [adv] a [adj] period | 17 |
|
