| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [pron] is [verb] | 873 |
|
| 2 | when [pron] is [vb pp] | 698 |
|
| 3 | [conj] [pron] is needed | 74 |
|
| 4 | when [pron] [be] needed | 52 |
|
| 5 | when [pron] be needed | 52 |
|
| 6 | when [pron] [is] needed | 20 |
|
| 7 | when [pron] is need | 19 |
|
