| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [be] at | 1456 |
|
| 2 | may [be] [prep] | 1455 |
|
| 3 | may [be] [prep] | 1455 |
|
| 4 | may [be] at | 137 |
|
| 5 | may [be] at | 137 |
|
