| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun sg] [prep] a [noun] | 12276 |
|
| 2 | [prep] [noun sg] [prep] a [noun sg] | 11581 |
|
| 3 | [prep] [noun sg] [prep] [art] period | 231 |
|
| 4 | [prep] [noun sg] [prep] [art] period | 231 |
|
| 5 | [prep] [noun] [prep] a period | 155 |
|
| 6 | [prep] [noun sg] [prep] a period | 100 |
|
| 7 | [prep] [noun sg] [prep] a period | 100 |
|
| 8 | [prep] [noun sg] [prep] a period | 100 |
|
