| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for a [adj] period [prep] | 320 |
|
| 2 | for a [adj] period [prep] | 320 |
|
| 3 | for a [adj] [noun] after | 80 |
|
| 4 | for a [adj] [noun sg] after | 59 |
|
| 5 | [prep] a [adj] period after | 21 |
|
| 6 | for [art] [adj] period after | 11 |
|
| 7 | for a [adj] period after | 11 |
|
| 8 | for a [adj] period after | 11 |
|
