| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [prep] the [num ord] century | 16 |
|
| 2 | which [prep] [art] [num ord] century | 14 |
|
| 3 | [Wh det] in [art] [num ord] century | 13 |
|
| 4 | [Wh det] [prep] [art] nineteenth century | 5 |
|
