| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] about [art] | 387 |
|
| 2 | [modal v] [vb infin] [indef pn] about | 240 |
|
| 3 | [vb infin] [indef pn] about [art] | 173 |
|
| 4 | [modal v] [vb infin] [indef pn] [art] | 80 |
|
