| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for a [adj] period [prep] | 272 |
|
| 2 | for a fixed [noun sg] [prep] | 38 |
|
| 3 | for a fixed [noun] [prep] | 38 |
|
| 4 | [prep] a fixed period [prep] | 29 |
|
| 5 | for a fixed period [prep] | 18 |
|
| 6 | for a fixed period [prep] | 18 |
|
| 7 | for [art] fixed period [prep] | 18 |
|
| 8 | for [art] fixed period [prep] | 18 |
|
