| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | while [art] [noun] | 6721 |
|
| 2 | while [art] [noun sg] | 4787 |
|
| 3 | [conj] [art] quarter | 484 |
|
| 4 | while [art] quarter | 7 |
|
