| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] an [noun sg] | 57363 |
|
| 2 | [vb base] [prep] [noun sg] | 21782 |
|
| 3 | [vb base] an [noun sg] | 4446 |
|
| 4 | [vb base] [prep] an | 1696 |
|
