| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | twelve and [adj] a [noun] | 7 |
|
| 2 | twelve and [adj] a [noun sg] | 7 |
|
| 3 | twelve and [adj] a week | 6 |
|
| 4 | twelve and [adj] a week | 6 |
|
