| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] be about | 26 |
|
| 2 | [vb infin] [been] about | 24 |
|
| 3 | [vb infin] been about | 24 |
|
| 4 | have [be] about | 23 |
|
