| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [art] 1970s [verb] been | 10 |
|
| 2 | [prep] the 1970s [verb] be | 10 |
|
| 3 | [prep] [art] 1970s have be | 10 |
|
| 4 | [prep] [art] 1970s [verb] be | 10 |
|
| 5 | [prep] [art] 1970s [verb] be | 10 |
|
| 6 | [prep] [art] 1970s [vb base] be | 5 |
|
| 7 | [prep] [art] 1970s have be | 5 |
|
