| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] be require for the | 12 |
|
| 2 | [modal v] be require for the | 12 |
|
| 3 | may be require for the | 5 |
|
| 4 | may be require for the | 5 |
|
| 5 | be require for the [noun] | 13 |
|
| 6 | be require for the [noun sg] | 10 |
|
