| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for an [adj] [noun] | 3042 |
|
| 2 | for an [adj] [noun sg] | 2883 |
|
| 3 | for [art] [adj] period | 958 |
|
| 4 | for [art] [adj] period | 958 |
|
| 5 | for a [adj] period | 756 |
|
| 6 | [prep] an [adj] period | 205 |
|
| 7 | for an [adj] period | 103 |
|
