| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] a week | 1444 |
|
| 2 | [adv] a week | 1400 |
|
| 3 | there a [noun] | 239 |
|
| 4 | there a [noun sg] | 236 |
|
| 5 | there [art] week | 25 |
|
| 6 | there a week | 12 |
|
| 7 | there a week | 12 |
|
