| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] least a week | 43 |
|
| 2 | at least a week | 43 |
|
| 3 | [prep] least a week | 43 |
|
| 4 | at least a week | 43 |
|
| 5 | least [adv] a week | 59 |
|
| 6 | least [adv] a week | 59 |
|
| 7 | least once a week | 47 |
|
| 8 | least once a week | 47 |
|
| 9 | least twice a week | 12 |
|
| 10 | least twice a week | 12 |
|
| 11 | least a week [prep] | 8 |
|
| 12 | least a week [prep] | 8 |
|
| 13 | least a week [conj] | 7 |
|
