| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [modal v] be a | 1763 |
|
| 2 | [det] [modal v] be a | 1574 |
|
| 3 | this [modal v] be [art] | 1511 |
|
| 4 | this [modal v] be a | 888 |
|
| 5 | this [modal v] [be] a | 888 |
|
