| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [adv] be [noun] | 1007 |
|
| 2 | [modal v] [vb infin] be [noun] | 901 |
|
| 3 | [modal v] [vb infin] [adv] [noun] | 727 |
|
| 4 | [modal v] [vb infin] [adv] be | 322 |
|
| 5 | [vb infin] [adv] be [noun] | 36 |
|
