| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may be needed for | 11 |
|
| 2 | may be needed for | 11 |
|
| 3 | may [be] needed for | 11 |
|
| 4 | may [be] needed for | 11 |
|
| 5 | may [be] needed for | 11 |
|
