| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] period [prep] | 3306 |
|
| 2 | short [noun] [prep] | 3222 |
|
| 3 | short [noun sg] [prep] | 2526 |
|
| 4 | short period [prep] | 319 |
|
| 5 | short period [prep] | 237 |
|
