| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] a [noun] | 20644 |
|
| 2 | [modal v] [vb infin] a [noun] | 20047 |
|
| 3 | [modal v] [vb infin] [verb] [noun] | 6920 |
|
| 4 | [modal v] [vb infin] [verb] a | 5127 |
|
| 5 | [vb infin] [verb] a [noun] | 4510 |
|
