| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] [verb] [art] | 33929 |
|
| 2 | while [verb] [art] | 1390 |
|
| 3 | [vb -s] while [verb] | 44 |
|
| 4 | [vb -s] while [art] | 30 |
|
