| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] not been [verb] since [adj] | 10 |
|
| 2 | have not been [verb] since [adj] | 10 |
|
| 3 | has not been [verb] since [adj] | 6 |
|
| 4 | [vb -s] not been [verb] since [adj] | 6 |
|
| 5 | not been [verb] since the [adj] | 7 |
|
| 6 | not been [verb] since [art] [adj] | 7 |
|
| 7 | not been [verb] since the [adj] | 7 |
|
| 8 | not been [verb] since [art] [adj] | 7 |
|
