| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | whenever it [is] [verb] | 20 |
|
| 2 | whenever it [is] [vb pp] | 20 |
|
| 3 | whenever it is [verb] | 18 |
|
| 4 | whenever it [is] needed | 5 |
|
| 5 | whenever it [is] need | 5 |
|
