| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] a [noun] [unc] | 3733 |
|
| 2 | [noun] [prep] [art] week [unc] | 83 |
|
| 3 | [noun] [prep] [art] week [unc] | 83 |
|
| 4 | [noun] [prep] a week [unc] | 54 |
|
