| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should be [vb pp] [adj] | 621 |
|
| 2 | be [vb pp] about [adj] | 133 |
|
| 3 | should be [vb pp] about | 68 |
|
| 4 | should be about [adj] | 9 |
|
