| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] a [noun] [prep] | 25584 |
|
| 2 | [conj] a [noun sg] [prep] | 24793 |
|
| 3 | [conj] [art] period [prep] | 217 |
|
| 4 | [conj] [art] period [prep] | 217 |
|
| 5 | [conj] a period [prep] | 89 |
|
| 6 | [conj] a period [prep] | 89 |
|
