| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adj] when [pers pn] | 567 |
|
| 2 | [prep] 1990 when [pron] | 15 |
|
| 3 | [prep] 1990 [Wh adv] [pers pn] | 14 |
|
| 4 | [prep] 1990 [adv] [pers pn] | 14 |
|
| 5 | [prep] 1990 when [pers pn] | 14 |
|
| 6 | [prep] 1990 when [pers pn] | 14 |
|
