| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] a week | 1401 |
|
| 2 | [adv] a week | 1400 |
|
| 3 | once a week | 483 |
|
| 4 | twice a week | 263 |
|
| 5 | about a week | 164 |
|
| 6 | over a week | 88 |
|
| 7 | only a week | 77 |
|
| 8 | just a week | 51 |
|
| 9 | least a week | 44 |
|
| 10 | almost a week | 26 |
|
| 11 | nearly a week | 26 |
|
| 12 | exactly a week | 14 |
|
| 13 | hardly a week | 14 |
|
| 14 | more a week | 12 |
|
| 15 | there a week | 12 |
|
| 16 | then a week | 12 |
|
| 17 | even a week | 11 |
|
| 18 | here a week | 10 |
|
| 19 | barely a week | 10 |
|
| 20 | so a week | 8 |
|
| 21 | forward a week | 8 |
|
| 22 | maybe a week | 7 |
|
| 23 | under a week | 5 |
|
