| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] when it [is] | 301 |
|
| 2 | especially [conj] it [is] | 130 |
|
| 3 | especially when [pron] [is] | 65 |
|
| 4 | especially when it [be] | 44 |
|
