| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | than [prep] [art] [num ord] century | 11 |
|
| 2 | than [prep] [art] [num ord] century | 11 |
|
| 3 | than in [art] [num ord] century | 9 |
|
| 4 | than in [art] [num ord] century | 9 |
|
