| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] an [noun] | 4659 |
|
| 2 | about an [noun] | 285 |
|
| 3 | [vb -s] about [noun] | 180 |
|
| 4 | [vb -s] about an | 14 |
|
