| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [prep] the 18th century | 38 |
|
| 2 | [verb] [prep] the 18th century | 38 |
|
| 3 | [vb pp] [prep] the 18th century | 30 |
|
| 4 | [verb] in the 18th century | 24 |
|
