| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [noun] [modal v] [vb infin] | 57514 |
|
| 2 | [adj] [noun] it [modal v] | 2725 |
|
| 3 | [noun] it [modal v] [vb infin] | 2681 |
|
| 4 | [adj] it [modal v] [vb infin] | 686 |
|
