| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] when [pron] [be] [verb] | 887 |
|
| 2 | [adv] when [pron] [be] [vb pp] | 396 |
|
| 3 | [adv] [conj] [pron] [be] needed | 18 |
|
| 4 | [adv] when [pron] [be] need | 10 |
|
| 5 | [adv] when [pron] [be] needed | 9 |
|
