| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] a period | 38 |
|
| 2 | [det] [art] period | 30 |
|
| 3 | such [art] period | 26 |
|
| 4 | such [art] period | 26 |
|
| 5 | [adj] the period | 24 |
|
| 6 | [adj -er] [art] period | 12 |
|
| 7 | [adj] [art] period | 11 |
|
| 8 | long [art] period | 9 |
|
| 9 | short [art] period | 8 |
|
| 10 | longer [art] period | 8 |
|
| 11 | [num] [art] period | 7 |
|
