| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb base] [prep] a [noun] | 2909 |
|
| 2 | when [pron] [vb base] [prep] [noun] | 690 |
|
| 3 | when [pron] [vb base] a [noun] | 662 |
|
| 4 | when [pron] [vb base] [prep] a | 218 |
|
| 5 | when [pron] [prep] a [noun] | 9 |
|
