| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [vb -s] [prep] a | 5704 |
|
| 2 | when [noun] [vb -s] [prep] | 217 |
|
| 3 | when [noun] [prep] a | 45 |
|
| 4 | when [noun] [vb -s] a | 38 |
|
