| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | in the 1970s [verb] | 75 |
|
| 2 | in the [pers pn] [verb] | 34 |
|
| 3 | the 1970s [pers pn] [verb] | 21 |
|
| 4 | in the 1970s [pers pn] | 19 |
|
