| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when it be needed | 25 |
|
| 2 | when it be need | 25 |
|
| 3 | when it be need | 25 |
|
| 4 | when it is need | 16 |
|
| 5 | when it was need | 7 |
|
