| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adj] weeks at [art] time | 14 |
|
| 2 | [prep] [num] weeks at [art] time | 9 |
|
| 3 | [prep] several weeks at [art] time | 5 |
|
| 4 | [prep] [det] weeks at [art] time | 5 |
|
| 5 | [prep] several weeks at [art] time | 5 |
|
