| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] [prep] a | 16321 |
|
| 2 | [prep] about a | 383 |
|
| 3 | [to-vb] [prep] about | 86 |
|
| 4 | [to-vb] about a | 15 |
|
