| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [modal v] [verb] a | 12639 |
|
| 2 | [noun] [modal v] [verb] [to-vb] | 11014 |
|
| 3 | [noun] [verb] [to-vb] a | 4933 |
|
| 4 | [modal v] [verb] [to-vb] a | 2420 |
|
| 5 | [noun] [modal v] [to-vb] a | 170 |
|
