| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] a limited period [prep] | 6 |
|
| 2 | [verb] [prep] a limited period [prep] | 5 |
|
| 3 | [prep] a limited period [prep] [noun] | 16 |
|
| 4 | [prep] a limited period [prep] [noun sg] | 16 |
|
| 5 | [prep] a limited period [prep] time | 15 |
|
| 6 | [prep] a limited period [prep] time | 15 |
|
