| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for a [adj] period | 653 |
|
| 2 | for a [adj] period | 590 |
|
| 3 | for a short [noun] | 536 |
|
| 4 | for a short [noun sg] | 534 |
|
| 5 | [prep] a short period | 178 |
|
| 6 | for a short period | 117 |
|
| 7 | for [art] short period | 105 |
|
| 8 | for [art] short period | 105 |
|
| 9 | for a short period | 103 |
|
| 10 | for a short period | 103 |
|
