| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [indef pn] [vb -s] a [noun] | 462 |
|
| 2 | when [indef pn] [vb -s] a | 41 |
|
| 3 | when [indef pn] [vb -s] [noun] | 38 |
|
