| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a century [conj] so [adv] | 8 |
|
| 2 | [art] century [conj] so [adv] | 8 |
|
| 3 | a century [conj] so [adv] | 8 |
|
| 4 | [art] century [conj] so [adv] | 8 |
|
