| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may be [verb] for | 501 |
|
| 2 | may be [vb pp] for | 453 |
|
| 3 | [modal v] be needed for | 62 |
|
| 4 | may be needed [prep] | 40 |
|
| 5 | may [be] needed for | 11 |
|
| 6 | may be need for | 11 |
|
