| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [adj] week | 711 |
|
| 2 | [prep] [adj] week ' | 129 |
|
| 3 | a [adj] week ' | 33 |
|
| 4 | [prep] a [adj] ' | 11 |
|
