| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | this [vb mod] [verb] [art] | 1963 |
|
| 2 | this [modal v] [verb] [art] | 1963 |
|
| 3 | [adj] could [verb] [art] | 300 |
|
| 4 | this could [verb] [art] | 126 |
|
| 5 | this could [verb] [art] | 126 |
|
