| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] a [noun sg] [modal v] [vb infin] | 773 |
|
| 2 | [Wh det] [adj] [noun sg] [modal v] [vb infin] | 342 |
|
| 3 | [Wh det] a [noun sg] [modal v] [vb infin] | 253 |
|
| 4 | [Wh det] [adj] a [noun sg] [modal v] | 38 |
|
