| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] when the [noun sg] [vb past] | 93 |
|
| 2 | [num] when the [noun sg] [vb past] | 92 |
|
| 3 | 1989 when the [noun sg] [vb past] | 5 |
|
| 4 | 1989 when the [noun] [vb past] | 5 |
|
| 5 | 1989 when the [noun sg] [verb] | 5 |
|
| 6 | 1989 when [art] [noun sg] [vb past] | 5 |
|
| 7 | 1989 [adv] the [noun sg] [vb past] | 5 |
|
