| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] not [been] long | 5 |
|
| 2 | have not [been] long | 5 |
|
| 3 | not [vb infin] [been] long | 6 |
|
| 4 | not [verb] [been] long | 6 |
|
| 5 | not have [been] long | 6 |
|
| 6 | not have [been] long | 6 |
|
