| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] when | 1061 |
|
| 2 | be used when | 73 |
|
| 3 | be considered when | 49 |
|
| 4 | be taken when | 41 |
|
| 5 | be made when | 34 |
|
| 6 | be done when | 16 |
|
| 7 | be found when | 16 |
|
| 8 | be paid when | 15 |
|
| 9 | be achieved when | 13 |
|
| 10 | be followed when | 13 |
|
| 11 | be changed when | 11 |
|
| 12 | be applied when | 10 |
|
| 13 | be given when | 10 |
|
| 14 | be required when | 10 |
|
| 15 | be produced when | 10 |
|
| 16 | be obtained when | 9 |
|
| 17 | be exercised when | 9 |
|
| 18 | be replaced when | 9 |
|
| 19 | be lost when | 9 |
|
| 20 | be expected when | 9 |
|
| 21 | be removed when | 9 |
|
| 22 | be justified when | 9 |
|
| 23 | be added when | 9 |
|
| 24 | be observed when | 8 |
|
| 25 | be reached when | 7 |
|
| 26 | be closed when | 6 |
|
| 27 | be adopted when | 6 |
|
| 28 | be needed when | 6 |
|
| 29 | be informed when | 6 |
|
| 30 | be run when | 6 |
|
