| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for a [adj] period [prep] time | 116 |
|
| 2 | [prep] a [adj -er] period [prep] time | 15 |
|
| 3 | [prep] a [adj -er] period [prep] time | 15 |
|
| 4 | for a [adj -er] period [prep] [noun] | 10 |
|
| 5 | for a [adj -er] [noun] [prep] time | 8 |
|
| 6 | for a [adj -er] [noun sg] [prep] time | 8 |
|
| 7 | for a [adj -er] period [prep] time | 5 |
|
| 8 | for a [adj -er] period [prep] time | 5 |
|
| 9 | for [art] [adj -er] period [prep] time | 5 |
|
| 10 | for a [adj -er] period [prep] time | 5 |
|
