| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] [prep] a week | 72 |
|
| 2 | [noun prp] [prep] a week | 71 |
|
| 3 | [noun prp] for a week | 47 |
|
| 4 | [noun prp] in a week | 7 |
|
| 5 | [noun prp] with a week | 6 |
|
| 6 | [noun prp] within a week | 5 |
|
