| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] when [pers pn] [be] needed | 9 |
|
| 2 | [adv] when [pron] [be] needed | 9 |
|
| 3 | [adv] when [pron] be needed | 9 |
|
| 4 | [adv] when it [be] needed | 6 |
|
| 5 | [adv] when it [be] needed | 6 |
|
| 6 | [adv] when [pron] [is] needed | 5 |
|
| 7 | just when [pron] [be] needed | 5 |
|
| 8 | [adv] when [pron] is needed | 5 |
|
