| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [adj] period [prep] [noun] | 738 |
|
| 2 | a [adv] [adj] period [prep] | 137 |
|
| 3 | a [adv] [adj] [prep] [noun] | 127 |
|
| 4 | [adv] [adj] period [prep] [noun] | 126 |
|
