| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [noun] [modal v] [vb infin] been | 2141 |
|
| 2 | [adj] [noun sg] [modal v] [vb infin] been | 1281 |
|
| 3 | [adj] period [modal v] [vb infin] been | 6 |
|
| 4 | [adj] period [modal v] [vb infin] [be] | 5 |
|
| 5 | [adj] period [modal v] [vb infin] [been] | 5 |
|
| 6 | [adj] period [modal v] [vb infin] be | 5 |
|
| 7 | [adj] period [modal v] [verb] been | 5 |
|
