| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a week [conj] [adv] | 266 |
|
| 2 | a week [adv] [conj] | 95 |
|
| 3 | week [conj] [adv] [conj] | 46 |
|
| 4 | a week [conj] [conj] | 13 |
|
