| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may [prep] been | 7 |
|
| 2 | may [prep] [been] | 7 |
|
| 3 | may of [been] | 7 |
|
| 4 | may of [been] | 7 |
|
| 5 | may [prep] [been] | 7 |
|
