| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [det] [noun] | 6833 |
|
| 2 | [prep] a [det] [noun pl] | 5841 |
|
| 3 | [prep] [art] [det] weeks | 478 |
|
| 4 | [prep] a [det] week | 461 |
|
| 5 | [prep] a [adj] weeks | 460 |
|
| 6 | [prep] a [det] weeks | 459 |
|
