| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [vb past] [verb] [prep] about | 5 |
|
| 2 | [det] [vb past] [vb pp] [prep] about | 5 |
|
| 3 | [det] [vb past] [prep] about [num] | 5 |
|
| 4 | [det] [vb past] [prep] about [adj] | 5 |
|
