| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may [vb infin] to [be] | 849 |
|
| 2 | may [verb] to [be] | 849 |
|
| 3 | [modal v] appear to [be] | 448 |
|
| 4 | may appear to [be] | 97 |
|
| 5 | may appear [prep] [be] | 97 |
|
