| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but [noun prp] [verb] | 5050 |
|
| 2 | while [noun prp] [verb] | 1655 |
|
| 3 | but while [noun prp] | 77 |
|
| 4 | but while [verb] | 26 |
|
