| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [adj] [noun sg] and | 8518 |
|
| 2 | [prep] a [adj] [noun sg] period | 111 |
|
| 3 | [prep] a [adj] period and | 50 |
|
| 4 | a [adj] [noun sg] period and | 12 |
|
