| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | in [adj] [be] | 2357 |
|
| 2 | [prep] 1990 [be] | 157 |
|
| 3 | [prep] 1990 [be] | 157 |
|
| 4 | in 1990 [be] | 79 |
|
