| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv prt] [prep] a [det] [noun] | 321 |
|
| 2 | [adv] [prep] a [det] week | 57 |
|
| 3 | [adv prt] [prep] a [adj] week | 31 |
|
| 4 | [adv prt] [prep] [art] [det] week | 26 |
|
