| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [pron] a [noun sg] | 3015 |
|
| 2 | [prep] what [art] [noun sg] | 1368 |
|
| 3 | [prep] what [art] [noun sg] | 1368 |
|
| 4 | [prep] what a [noun sg] | 215 |
|
| 5 | [prep] what a [noun] | 191 |
|
