| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] the [num ord] century when | 92 |
|
| 2 | in the [num ord] century when | 32 |
|
| 3 | in the [num ord] century when | 32 |
|
| 4 | of the [num ord] century when | 31 |
|
| 5 | of the [num ord] century when | 31 |
|
| 6 | [prep] the nineteenth century when | 21 |
|
| 7 | [prep] the last century when | 10 |
|
| 8 | until the [num ord] century when | 10 |
|
| 9 | until the [num ord] century when | 10 |
|
| 10 | [prep] the eighteenth century when | 9 |
|
| 11 | [prep] the 19th century when | 8 |
|
| 12 | [prep] the 16th century when | 6 |
|
| 13 | [prep] the seventeenth century when | 5 |
|
| 14 | [prep] the fifteenth century when | 5 |
|
| 15 | from the [num ord] century when | 5 |
|
| 16 | to the [num ord] century when | 5 |
|
| 17 | to the [num ord] century when | 5 |
|
| 18 | from the [num ord] century when | 5 |
|
