| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun] 's | 7297 |
|
| 2 | [prep] [art] week 's | 168 |
|
| 3 | [prep] a week [unc] | 124 |
|
| 4 | [prep] a week ['s] | 122 |
|
| 5 | [prep] a week 's | 119 |
|
