| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] for about [num] | 29 |
|
| 2 | been [vb pp] for about [num] | 10 |
|
| 3 | [been] [vb pp] for about [num] | 10 |
|
| 4 | [is] [vb pp] for about [num] | 7 |
|
| 5 | is [vb pp] for about [num] | 6 |
|
