| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | so [det] [subord] a [noun sg] | 125 |
|
| 2 | [vb infin] [det] [subord] a [noun sg] | 53 |
|
| 3 | [vb infin] so [det] [subord] a | 6 |
|
