| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | an [noun] [to-vb] [art] | 2445 |
|
| 2 | [noun] [to-vb] [Wh det] [art] | 190 |
|
| 3 | an [noun] [Wh det] [art] | 90 |
|
| 4 | an [noun] [to-vb] [Wh det] | 59 |
|
