| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back [prep] the [adj] | 2788 |
|
| 2 | back [prep] the [num] | 239 |
|
| 3 | [adv] [prep] the 1930s | 78 |
|
| 4 | [adv prt] [prep] the 1930s | 27 |
|
| 5 | back [prep] the 1930s | 13 |
|
| 6 | back [prep] the 1930s | 13 |
|
| 7 | back [prep] [art] 1930s | 13 |
|
| 8 | back [prep] the 1930s | 13 |
|
| 9 | back [prep] [art] 1930s | 13 |
|
