| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] than a century [prep] | 14 |
|
| 2 | more than a century [prep] | 14 |
|
| 3 | [det] than a century [prep] | 14 |
|
| 4 | [det] than a century [prep] | 14 |
|
| 5 | [det] than a century of | 5 |
|
| 6 | [det] than a century after | 5 |
|
| 7 | [det] than a century after | 5 |
|
| 8 | [det] than a century of | 5 |
|
