| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] [noun] once [art] week | 5 |
|
| 2 | and [noun] once [art] week | 5 |
|
| 3 | [coord] [noun] once a week | 5 |
|
| 4 | [coord] [noun] once [art] week | 5 |
|
| 5 | [coord] [noun] once a week | 5 |
|
