| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] [been] long | 8 |
|
| 2 | [vb mod] [verb] [been] long | 8 |
|
| 3 | [modal v] have [been] long | 8 |
|
| 4 | [modal v] [verb] been long | 8 |
|
| 5 | [modal v] have [been] long | 8 |
|
| 6 | [modal v] [verb] [been] longer | 5 |
|
