| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] a [det] | 2754 |
|
| 2 | [prep] a [det] weeks | 459 |
|
| 3 | [noun] [prep] [det] weeks | 154 |
|
| 4 | [noun] a [det] weeks | 142 |
|
