| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [prep] [art] [adj] period | 1440 |
|
| 2 | [noun sg] [prep] [art] longer [noun] | 152 |
|
| 3 | [noun sg] [prep] [art] long period | 138 |
|
| 4 | [noun sg] [prep] [art] [adj -er] period | 70 |
|
| 5 | [noun] [prep] [art] longer period | 41 |
|
| 6 | [noun sg] [prep] [art] longer period | 28 |
|
| 7 | [noun sg] [prep] [art] longer period | 28 |
|
