| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | began in the [num] | 59 |
|
| 2 | [vb past] in the 1970s | 46 |
|
| 3 | [vb past] in the 1950s | 39 |
|
| 4 | [vb past] in the 1960s | 33 |
|
| 5 | [vb past] in the 1980s | 30 |
|
| 6 | did in the [num] | 26 |
|
| 7 | [vb past] in the 1930s | 23 |
|
| 8 | occurred in the [num] | 22 |
|
| 9 | came in the [num] | 21 |
|
| 10 | emerged in the [num] | 19 |
|
| 11 | appeared in the [num] | 19 |
|
| 12 | started in the [num] | 19 |
|
| 13 | [vb past] in the 1920s | 18 |
|
| 14 | [vb past] in the two | 17 |
|
| 15 | died in the [num] | 15 |
|
| 16 | had in the [num] | 12 |
|
| 17 | happened in the [num] | 12 |
|
| 18 | [vb past] in the 1940s | 12 |
|
| 19 | [vb past] in the sixties | 11 |
|
| 20 | played in the [num] | 10 |
|
| 21 | [vb past] in the three | 10 |
|
| 22 | wrote in the [num] | 9 |
|
| 23 | [vb past] in the 1850s | 9 |
|
| 24 | existed in the [num] | 8 |
|
| 25 | [vb past] in the 1890s | 8 |
|
| 26 | [vb past] in the fifties | 7 |
|
| 27 | resulted in the [num] | 7 |
|
| 28 | [vb past] in the 1840s | 7 |
|
| 29 | [vb past] in the 1988 | 6 |
|
| 30 | [vb past] in the thirties | 6 |
|
