| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] need to be | 1049 |
|
| 2 | [modal v] need to be | 1049 |
|
| 3 | may [verb] to be | 849 |
|
| 4 | may need to be | 225 |
|
| 5 | may need [prep] be | 225 |
|
| 6 | may need [prep] be | 225 |
|
| 7 | may need to [be] | 225 |
|
| 8 | may need to be | 225 |
|
