| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun sg] [prep] a [det] [noun] | 175 |
|
| 2 | [prep] [noun] [prep] a [det] week | 29 |
|
| 3 | [prep] [noun sg] [prep] a [adj] week | 21 |
|
| 4 | [prep] [noun sg] [prep] [art] [det] week | 14 |
|
| 5 | [prep] [noun sg] [prep] a [det] week | 12 |
|
