| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [det] weeks [prep] | 63 |
|
| 2 | [prep] [det] weeks [prep] [noun sg] | 26 |
|
| 3 | a [det] weeks [prep] [noun sg] | 24 |
|
| 4 | [prep] a [det] weeks [noun sg] | 13 |
|
