| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | in [adj] which | 239 |
|
| 2 | in 1973 [pron] | 30 |
|
| 3 | [prep] 1973 which | 7 |
|
| 4 | [prep] 1973 which | 7 |
|
| 5 | in 1973 which | 6 |
|
