| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [verb] [verb] | 579 |
|
| 2 | when [verb] [to-vb] | 458 |
|
| 3 | when [vb pp] [verb] | 308 |
|
| 4 | when [v-ing] [verb] | 265 |
|
| 5 | when trying [verb] | 102 |
|
| 6 | when try [verb] | 102 |
|
| 7 | when ask [verb] | 95 |
|
| 8 | when asked [verb] | 95 |
|
| 9 | when attempt [verb] | 57 |
|
| 10 | when attempting [verb] | 57 |
|
| 11 | when [verb] do | 47 |
|
| 12 | when [verb] to do | 44 |
|
| 13 | when [verb] [vb base] | 29 |
|
| 14 | when [verb] [vb past] | 27 |
|
| 15 | when [verb] [vb -s] | 24 |
|
| 16 | when [verb] [v-ing] | 23 |
|
| 17 | when [verb] [vb pp] | 18 |
|
| 18 | when required [verb] | 17 |
|
| 19 | when require [verb] | 17 |
|
| 20 | when use [verb] | 16 |
|
| 21 | when used [verb] | 16 |
|
| 22 | when invited [verb] | 13 |
|
| 23 | when invite [verb] | 13 |
|
| 24 | when [verb] explain | 12 |
|
| 25 | when [verb] to explain | 12 |
|
| 26 | when [verb] to identify | 11 |
|
| 27 | when [verb] identify | 11 |
|
| 28 | when [verb] use | 10 |
|
| 29 | when [verb] have | 10 |
|
| 30 | when force [verb] | 9 |
|
