| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] a [det] | 2702 |
|
| 2 | [noun] [prep] a week | 680 |
|
| 3 | [noun] [prep] [det] week | 464 |
|
| 4 | [prep] a [det] week | 461 |
|
| 5 | [noun] a [det] week | 142 |
|
