| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may be [verb] [prep] | 8067 |
|
| 2 | may be [vb pp] [prep] | 7735 |
|
| 3 | [modal v] be required [prep] | 278 |
|
| 4 | [vb mod] be required [prep] | 278 |
|
| 5 | may [be] required [prep] | 74 |
|
| 6 | may [be] required [prep] | 74 |
|
| 7 | may be required [prep] | 74 |
|
| 8 | may be require [prep] | 74 |
|
| 9 | may be required [prep] | 74 |
|
| 10 | may be required [prep] | 74 |
|
