| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] 1990 at the | 9 |
|
| 2 | [noun] 1990 at the | 9 |
|
| 3 | 1990 at the [noun] | 9 |
|
| 4 | 1990 at the [noun sg] | 7 |
|
| 5 | 1990 at the [adj] | 6 |
|
