| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] by the [num ord] century | 41 |
|
| 2 | [verb] by the [num ord] century | 41 |
|
| 3 | [vb pp] by the [num ord] century | 37 |
|
| 4 | used by the [num ord] century | 5 |
|
| 5 | use by the [num ord] century | 5 |
|
| 6 | [verb] by the eighteenth century | 5 |
|
