| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for a [adj] period [prep] | 272 |
|
| 2 | a [adj] period [prep] the | 93 |
|
| 3 | for a [adj] [prep] the | 36 |
|
| 4 | for [adj] period [prep] the | 33 |
|
| 5 | for a period [prep] the | 22 |
|
| 6 | for a [adj] period the | 5 |
|
