| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [art] period [prep] | 38 |
|
| 2 | [adj] [art] period of | 27 |
|
| 3 | [adj] the period [prep] | 19 |
|
| 4 | [adj] a period [prep] | 19 |
|
| 5 | [adj] a period [prep] | 19 |
|
| 6 | [adj] the period [prep] | 19 |
|
| 7 | [det] [art] period [prep] | 13 |
|
| 8 | such [art] period [prep] | 11 |
|
| 9 | such [art] period [prep] | 11 |
|
| 10 | [adj -er] [art] period [prep] | 9 |
|
| 11 | [num] [art] period [prep] | 7 |
|
| 12 | long [art] period [prep] | 7 |
|
| 13 | [adj] [art] period [prep] | 7 |
|
| 14 | longer [art] period [prep] | 6 |
|
