| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adj] [conj] [adj] a | 174 |
|
| 2 | [prep] [adj] [conj] a century | 71 |
|
| 3 | [prep] [adj] [conj] [adj] century | 41 |
|
| 4 | [adj] [conj] [adj] a century | 26 |
|
