| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | while [verb] [art] | 1390 |
|
| 2 | while [v-ing] [art] | 1381 |
|
| 3 | [conj] retaining [art] | 78 |
|
| 4 | [subord] retaining [art] | 59 |
|
| 5 | while retaining [art] | 46 |
|
| 6 | while retain [art] | 46 |
|
