| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [det] than a century [prep] | 10 |
|
| 2 | [prep] [det] than a century [prep] | 10 |
|
| 3 | for [det] than a century [prep] | 5 |
|
| 4 | for [det] than a century [prep] | 5 |
|
| 5 | [det] than a century [prep] the | 5 |
|
| 6 | [det] than a century [prep] [art] | 5 |
|
| 7 | [det] than a century [prep] the | 5 |
|
| 8 | [det] than a century [prep] [art] | 5 |
|
