| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun sg] [adv] when [pos pn] | 10 |
|
| 2 | a [noun] [adv] when [pos pn] | 10 |
|
| 3 | a [noun] [adv] when [pos pn] | 10 |
|
| 4 | a year [adv] when [pos pn] | 5 |
|
| 5 | a year [adv] when [pos pn] | 5 |
|
