| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [art] [num] [adv] a [noun] | 10 |
|
| 2 | [prep] the [num] [adv] a [noun] | 10 |
|
| 3 | [prep] [art] [num] [adv] a [noun sg] | 9 |
|
| 4 | in [art] [num] [adv] a [noun] | 7 |
|
| 5 | in [art] [num] [adv] a [noun] | 7 |
|
| 6 | [prep] [art] [num] when a [noun] | 6 |
|
| 7 | [prep] [art] [num] [Wh adv] a [noun] | 6 |
|
| 8 | [prep] [art] [num] when a [noun] | 6 |
|
