| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] short [noun] of | 171 |
|
| 2 | [adv] [adj] period of | 156 |
|
| 3 | [adv] short [noun sg] of | 146 |
|
| 4 | [adv] short period [prep] | 67 |
|
| 5 | [adv] short period [prep] | 67 |
|
| 6 | [adv] short period of | 61 |
|
| 7 | [adv] short period of | 54 |
|
