| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | during a [adj] [noun] [prep] [art] | 108 |
|
| 2 | [prep] a [adj] period [prep] [art] | 100 |
|
| 3 | during [art] [adj] period [prep] [art] | 33 |
|
| 4 | during a [adj] period [prep] [art] | 6 |
|
