| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] about [adj] [noun] | 199 |
|
| 2 | [modal v] [vb infin] [adv] 30 [noun] | 12 |
|
| 3 | [modal v] [verb] about 30 [noun] | 7 |
|
