| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] when used | 26 |
|
| 2 | [adv] when using | 23 |
|
| 3 | particularly when use | 12 |
|
| 4 | especially when use | 11 |
|
| 5 | even when use | 8 |
|
