| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] an [noun sg] [noun] | 7610 |
|
| 2 | [prep] [noun sg] [noun] [art] | 1234 |
|
| 3 | [prep] an [noun] [art] | 368 |
|
| 4 | [prep] an [noun sg] [art] | 362 |
|
| 5 | an [noun sg] [noun] [art] | 57 |
|
