| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] more than a century [conj] | 6 |
|
| 2 | [prep] more than a century [conj] | 6 |
|
| 3 | for more than a century [conj] | 5 |
|
| 4 | for more than a century [conj] | 5 |
|
