| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it may have be [prep] | 27 |
|
| 2 | it may have [be] [prep] | 27 |
|
| 3 | it may have [been] [prep] | 26 |
|
| 4 | it may have been [prep] | 26 |
|
| 5 | it may have [be] at | 7 |
|
