| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] than a century [conj] | 11 |
|
| 2 | more than a century [conj] | 10 |
|
| 3 | [det] than a century [coord] | 9 |
|
| 4 | [det] than a century and | 7 |
|
| 5 | [det] than a century and | 7 |
|
