| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adv] a [noun] | 3035 |
|
| 2 | [prep] [adv] a [noun sg] | 2966 |
|
| 3 | [prep] [adv] [art] week | 186 |
|
| 4 | [prep] [adv] a week | 184 |
|
| 5 | [prep] [adv] a week | 184 |
|
| 6 | [prep] [adv] a week | 184 |
|
