| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for [det] than a century | 49 |
|
| 2 | for [det] than a century | 49 |
|
| 3 | for [det] than a century | 49 |
|
| 4 | for [det] than a century | 49 |
|
| 5 | for more than a century | 48 |
|
