| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] [adj] period during which | 21 |
|
| 2 | [art] [adj] period during [Wh det] | 21 |
|
| 3 | [art] [adj] period during which | 21 |
|
| 4 | [art] [adj] period during [pron] | 21 |
|
| 5 | [art] [adj] period during [pron] | 21 |
|
| 6 | a [adj] period during [pron] | 15 |
|
| 7 | a [adj] period during [pron] | 14 |
|
| 8 | the [adj] period during [pron] | 5 |
|
| 9 | the [adj] period during [pron] | 5 |
|
