| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there [prep] a [noun] | 643 |
|
| 2 | [adv] [prep] a week | 236 |
|
| 3 | [adv] [prep] a week | 124 |
|
| 4 | there [prep] [art] week | 29 |
|
| 5 | there [prep] a week | 23 |
|
| 6 | there [prep] a week | 23 |
|
