| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv prt] when [pron] [vb past] | 551 |
|
| 2 | [adv prt] [conj] it [vb past] | 318 |
|
| 3 | [adv] when it [vb past] | 217 |
|
| 4 | [adv prt] [subord] it [vb past] | 187 |
|
| 5 | [adv prt] when it [verb] | 73 |
|
| 6 | [adv prt] when it [vb past] | 32 |
|
