| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [adv] be [verb] | 21217 |
|
| 2 | [modal v] [adv] be [vb pp] | 19477 |
|
| 3 | [modal v] [adv] be required | 232 |
|
| 4 | [modal v] [adv] be required | 147 |
|
| 5 | [modal v] [adv] [be] required | 147 |
|
| 6 | [modal v] [adv] be require | 147 |
|
| 7 | [modal v] [adv] [be] required | 147 |
|
